MATH 123 Session 11 Homework 401K
Recall the Excel future value function, =FV(monthly interest rate, number of payments, deposit
amount).
1. If a cell in an Excel spreadsheet uses the following formula to determine the future
value of an investment: =FV(0

Math 123 Quantitative Reasoning Homework Assignment 1
1-6 Write each ratio statement as a fraction and reduce to lowest terms if possible:
1. 18 to 24
2. 5 to 12 5/12
3. 14:42
4. 15 cents to 18 cents 5/6
5. 20 inches to 2 feet hint: youll need to make the

Math 123 Quantitative Reasoning Homework Section 4 Proportions1
Solve the following proportions. Show your work.
1.
x 18
=
2 6
2.
3 15
=
x 45
Name:_
3.
x =9
x
9
=
12 27
4.
10 65
=
x 40
x =80/13
5. One out of every five people who buy ice cream buys vanill

MATH 123 Homework Linear Models
1. A tree increases in diameter each year by an average of 0.51cm. If the tree currently has a
diameter of 4 inches, how old do you estimate the tree is?
2. If rain is falling at a rate of inch per hour, how much rain would

Discover!
3. Ratios
According to the Census Bureau, between 1970 and 2012, the average number of people per
household declined from 3.1 to 2.6. (Vespa, Lewis, and Kreider 2013).
How is it possible to have 2.6 people per household? It is an average or rati

MATH123 Quantitative Reasoning Section 11 Temperature and Dimensional Analysis
Section:_
Name:_
Show Factor-Label Setup when appropriate. Show formulas used and values plugged in when
appropriate.
1.) On a sunny day in Montreal, the outside temperature is

Math 123 Homework Assignment Section 2 Understanding Powers of Ten (Scientific Notation)
Section:_
Name:_
Show all work, include how problems were setup. Follow the rules for rounding in the course packet.
Write answers in complete sentences when appropri

Math 123 Homework Assignment Section 2 Understanding Numbers
Section:_
Name:_
Show all work, include how problems were setup. Follow the rules for rounding in the course packet.
Write answers in complete sentences when appropriate.
1. How many one hundred

Section 23:
Describing Change
Absolute and Relative
Change 1
Indiana Home Median Sales Price
2005-2012
1.) What is the (absolute) change in median
home sale price from 2009 to 2012?
Notice the words from and to in the question.
The from value is the ref

Section 24:
Describing Change
Absolute and Relative
Change 2
3.) Use the percentage points found above to find the absolute
change in the percent of teen pregnancies ended in abortion over
the time period.
4.) Use those same point to find the relative c

Section 3:
Ratios
Ratios
According to the Census Bureau, between 1970 and 2012, the
average number of people per household declined from 3.1 to 2.6.
(Vespa, Lewis, and Kreider 2013).
How is it possible to have 2.6 people per household?
Ratios
According t