1)At a local community college, it costs $650 to enroll in a morning section of an algebra course.
Suppose that the variable n stands for the number of students who enroll. Then 650n stands for
the total amount of money collected for this course. How much is collected if 49 students enroll?
78 students? 280 students?
$31850,$50700,$182000
2) Substitute to find a value of the expression.
The area A of a triangle with base b and height is by A=
1/
2
bh. Find the area when b = 30m
(meters) and h = 10 m.
150 m
2
3) A driver who drives at a speed of r mph for t hr will travel a distance d mi given by
d = rt
mi.
How far will a driver travel at a speed of 56 mph for 6 hr?
336 miles
4) Translate to an algebraic expression.
16 less than b
16b
5) Translate to an algebraic expression.
The sum of x and b.
x+b
6) Translate to an algebraic expression.
50 multiplied by n
50n
7) Translate into an algebraic expression. Use x and y for any variables.
The sum of four times a number plus three times another number.
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8) Translate to an algebraic expression.
The product of 39% and some number ( Type the percentage as a decimal. Use d to represent
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 Spring '10
 STONE,G
 Addition, Elementary arithmetic, Kyle, algebraic expression

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