Exam 1
Review MTH 120 Beginning Algebra
Chapters 1 and 2
1) Lynn
Coates makes and sells pillows and mats.
On August 4 he bought three large bags of foam rubber. Each bag contained 15 pounds of foam rubber. He used 8.2 pounds to make large pillows,
9.2 pounds to make small pillows, and 10.4 pounds to make mats. How many pounds of foam rubber did he have
left?
2) The
high temperatures, in degrees Fahrenheit, on July 1 in the last five years in
Honolulu, Hawaii, were 76, 79, 84, 82, and 79.
Find the mean of the temperatures.
3) Barbara
Riedell earns $200 per week plus a 5% commission on appliances that she
sells. Her sales last week totaled
$9400. Find her weeks earnings.
Evaluate the following.
4) 
5) 
6) 
7) 
8) 
9)
10) 
11) 
12) 
13) 
14) 
15) Evaluate the expression 
where 
.
16) Simplify: 
Solve each of the following
equations
17) 
20) 
18) 
21) 
19) 
22) 
23) Solve,
and graph the solution on the real number line: 
24) If
a 4-ounce piece of cake has 160 calories, how many calories does a 6-ounce
piece of cake have? (Be sure to set up
a proportion to solve.)
25) While
traveling , you notice that you traveled 25 miles in 35 minutes. If your speed does not change, how long will
it take you to travel 125 miles. (Be
sure to set up a proportion to solve.)
26) The following figures are similar. Find the length of side x.
(Be
sure to set up a proportion to solve.)
Math
120 Exam #1 Review - Chapters 1
and 2 Answer Key
1) 
pounds
pounds
2) 
degrees Fahrenheit
3) $200
+ .05(9400) = $670
4) 
5) 
6) 
7) 
8) 
calories
minutes
