Assignment: Math 76 OL Ch 5 part 5.2 HW
1. Write as a fraction or as a mixed number.
18%
18% =
9
50
(Simplify your answer.)
2. Write as a fraction or as a mixed number.
95%
95% =
19
20
(Type a whole number or a simplified fraction.)
3. Write as a fraction
Assignment: Math 76 OL Ch 5 part 5.1 HW
1. Write the following fraction as a percent.
3
100
3
%
3
=
100
2. Write as a percent.
10
100
10
100
%
10
=
3. Write the following fraction as a percent:
3.2
100
3.2
100
=
3.2
%
4. A survey showed that 21 out of 100
Assignment: Math 76 OL Ch 5 part 5.2 HW
#35
Complete the table of equivalents. Round decimals to the nearest ten-thousandth. Round percents to the nearest hundredth of a percent.
Fraction
Decimal
Percent
7
96 %
8
First change the percent to a fraction.
7
Assignment: Math 76 OL Ch 5 part 5.2 HW
#28
Express as a percent containing a fraction.
7
80
Use long division and stop the division when you have found the hundredth place of the quotient. Then write the remainder in fraction form.
Divide the numerator b
#5
Assignment: Math 76 OL Ch 5 part 5.3A HW
Liz bought a new television. The price before the 4% tax was added on was $350. How much tax did Liz have to pay?
Percent problems can be written in the form 'Amount is percent of the base'. Any one of the quant
#6
Assignment: Math 76 OL Ch 5 part 5.3A HW
Translate to an equation and solve. Let n be the unknown number.
20% of what is 40?
Translate.
20%
of
what number
is
40
n
=
40
20%
20% n = 40
The equation written out.
0.2 n = 40
Write 20% as a decimal.
0.2 n
0.
Assignment: Math 76 OL Ch 5 part 5.1 HW
#34
Write the given value (a) as a decimal, (b) as a fraction with a denominator of 100, and (c) as a reduced fraction.
1805%
(a) To change a percent to a decimal, drop the % symbol and move the decimal point two pl
#4
Assignment: Math 76 OL Ch 5 part 5.3A HW
Translate to an equation and solve. Let n be the unknown number.
What number is 30% of 150?
Translate.
What number
is
30%
n
=
30%
of
150
150
The equation written out.
n = 30% 150
x = 0.3 150
Write 30% as a decim
Assignment: Math 76 OL Ch 5 part 5.2 HW
#13
Write as a fraction or as a mixed number.
1
21 %
4
First change the percent to a fraction by placing the mixed number over 100.
1
21
4
1
21 % =
4
100
Then write the division horizontally.
21
1
4
100
= 21
1
4
100
The following is a statement found in a newspaper. Write the percent as a decimal.
0.9 percent of homes in Country A are valued at more than $4 million.
To convert from percent notation to decimal notation, drop the '%' symbol and move the decimal point t
Assignment: Math 76 OL Ch 4 part 4.2 HW
Write a proportion.
2
3
is to 13 as 2
5
1
5
is to 11.
A proportion states that two ratios or two rates are equal.
Break the problem into two ratios: 2
Write 2
2
3
5
is to 13
5
is to 13 and 2
1
5
is to 11.
is to 13 a
Assignment: Math 76 OL Ch 4 part 4.4 HW
The directions on a bottle of bleach say to use
2
3
cup bleach for every 1 gallon of soapy water. Ron needs a 3-gallon mixture to mop his floors. How many cups
of bleach will he need?
To solve the problem, the Mathe
Assignment: Math 76 OL Ch 4 part 4.2 HW
A bus traveled 694 miles in 26 hours. A passenger van traveled 833 miles in 27 hours.
(a) Did they travel at the same rate?
(b) Which vehicle traveled at a faster rate?
(a) To know if they travel at the same rate, d
Assignment: Math 76 OL Ch 4 part 4.1 HW
Dr. Michael Santa completed a count of two herds of Gootians on the planet of Googliptis. He recorded 4158 Gootians on the north side of the planet and
6854 on the south side of the planet. There are 198 acres on th
Assignment: Math 76 OL Ch 4 part 4.4 HW
The instructions on a box of mashed potatoes say that at high altitudes (above 5000 feet) the amount of water should be increased by
1
8
. If you had to make
enough mashed potatoes for 15 people in a high-altitude c
Assignment: Math 76 OL Ch 4 part 4.2 HW
Divide.
0.48 43.149
Divide the numbers. To round when dividing, carry out the division until the answer contains a digit that is one place to the right of that to which you intend to
round. Then round the answer to
Assignment: Math 76 OL Ch 4 part 4.1 HW
A jet plane was originally designed to fly at 820 meters per second. It was modified
to fly at 890 meters per second. By how much was its Mach number increased?
A Mach number is a ratio that compares the velocity (s
Assignment: Math 76 OL Ch 4 part 4.4 HW
There are approximately 28
1
2
grams in one ounce. Approximately how many grams are in 10 ounces?
For this proportion, we compare the initial conversion rule to the conversion's result.
Initial Conversion
number of
Assignment: Math 76 OL Ch 4 part 4.4 HW
When Julie flew to country A in 2007, the exchange rate was 38 monetary units of this country for every 5 U.S. dollars. If Julie brought 180 U.S. dollars for
spending money, how many monetary units did she receive?
Assignment: Math 76 OL Ch 4 part 4.1 HW
(a) Ms. Handley bought 320 shares of company A stock for $13,123.20. How much did she pay per share?
(b) Mr. Johnston bought 240 shares of company B stock for $12,384. How much did he pay per share?
(c) How much mor
Assignment: Math 76 OL Ch 4 part 4.1 HW
1. Express as a fraction.
120:180
2
The answer is
3
. (Simplify your answer.)
2. Write in simplest form. Express your answer as a fraction.
255 to 60
The answer is
17
4
.
(Simplify your answer. Type a whole number o
Assignment: Math 76 OL Ch 4 part 4.3 HW
1. Solve for n.
8 n = 40
n=
(Simplify your answer.)
5
2. Solve for n.
6 n = 17.4
n=
2.9
(Type a whole number or a decimal.)
3. Solve for n.
n 3.7 = 111
30
n=
(Type a whole number or a decimal.)
4. Solve for n.
67.5
Assignment: Math 76 OL Ch 4 part 4.2 HW
1. Write a proportion.
63 is to 28 as 9 is to 4.
63
The proportion is
9
=
28
4
.
2. Write a proportion.
56 is to 8 as 7 is to 1.
56
The proportion is
7
=
8
1
.
3. Write a proportion.
195 is to 13 as 435 is to 29.
19
Assignment: Math 76 OL Ch 4 part 4.4 HW
1. An automobile dealership has found that for every 120 cars sold, 16 will be brought back to the dealer for major repairs. If the dealership sells 960 cars this year,
approximately how many cars will be brought ba
Assignment: Math 76 OL Ch 4 part 4.1 HW
Write the rate as a simplified fraction.
$913 for 88 CDs
A rate is a comparison of two quantities with different units. To avoid misunderstanding, express a rate as a reduced or simplified fraction with the units
in
Assignment: Math 76 OL Ch 4 part 4.1 HW
A basketball team scored a total of 851 points during one season. Of these, 37 points were scored by making one-point free throws. What is the ratio of
free-throw points to total points?
To write the ratio as a frac
Assignment: Math 76 OL Ch 4 part 4.1 HW
A 16-ounce box of dry pasta costs $2.72. A 24-ounce box of the same pasta costs
$3.84.
(a) What is the cost per ounce of each box of pasta?
(b) How much does the educated consumer save by buying the larger box?
(c)
Assignment: Math 76 OL Ch 4 part 4.1 HW
Use the following table to determine the ratio of take-home pay to total (gross) pay.
Total
Federal
State
Saving
Take-Home
Retirement Insurance
(Gross) Pay Withholding Withholding
Contribution
Pay
$374
$27
$20
$35
$
Assignment: Math 76 OL Ch 4 part 4.1 HW
A toy store owner purchased 130 puppets for $1078. She sold them for $1585. How much profit did she make per puppet?
To find the profit, subtract the cost from the selling price.
1585
selling price
1078
cost
$507
Assignment: Math 76 OL Ch 4 part 4.1 HW
Write as a rate in simplest form.
$190 for 75 bushes
A rate is a comparison of two quantities with different units. A rate is expressed as a fraction with the units included.
To write $190 for 75 bushes as a rate, w