CHAPTER 5 / PERCENTS
49
PRACTICE SAT QUESTIONS
1. 15% of what number is 18?
A. 102
B. 110
C. 112
D. 120
E. 125
2. What percent of 60 is 14?
A. 23%
B. 23.3%
1
C. 23 %
3
D. 23.6%
2
E. 23 %
3
3. 13 of the 18 players on the varsity soccer team are
seniors. What percent of the players on the team are
not seniors?
7
A. 27 %
9
5
B. 27 %
9
C. 27.7%
1
D. 27 %
7
E. 27.8%
4. What is 12% of 70?
A.
B.
C.
D.
E.
8.4
8.5
8.6
8.7
8.8
5. What percent of 42 is 25% of 56? 33.3%
6. Erin received a raise at her job from $14 per hour to
$17 per hour. What is the percent increase of her
raise? 21.4%
7. There are 15 students on a yearbook committee. 40%
of the students are females. How many students on
the committee are males?
A. 6
B. 9
C. 12
D. 13
E. 15
8. A camping tent went on sale from $80 to $60. A
camping chair that originally cost $20 was discounted by the same percent. What is the new price
of the camping chair?
A. 25
B. 20
C. 15
D. 10
E. 5
9. Jerry, Will, and Al all work at the same company.
Jerry earns 80% of Will’s salary, and Will earns 75%
of Al’s salary. What percent of Al’s salary is equal to
Jerry’s salary?
A. 80%
B. 75%
C. 70%
D. 65%
E. 60%
10. 60% of the students at the high school play sports.
14% of the students who play sports play baseball.
What percent of the students in the school play
baseball?
A. 4.6%
B. 4.8%
C. 6.4%
D. 8.4%
E. 10.6%
11. Alex weighs 185 pounds. If he decreases his weight
by 10%, what will be his new weight?
A.
B.
C.
D.
E.
160 pounds
166.5 pounds
170 pounds
170.5 pounds
175.5 pounds
50
CONQUERING SAT MATH
12. A house was appraised at $300,000. One year later
the house was appraised at $335,000. At what percent did the appraised price of the house increase?
2
A. 11 %
3
17. On the first day of a two-day fishing trip, George
1
caught 9 trout; 33 % of the trout are rainbow trout.
3
By the end of the fishing trip, George caught 6 more
trout, but none are rainbow trout. What percent of all
the trout that George caught are rainbow trout?
1
B. 11 %
3
C. 11%
1
A. 33 %
3
B. 33%
2
D. 13 %
3
2
C. 22 %
9
D. 20%
E. 15%
1
E. 13 %
3
13. 16% of s equals t. 10% of t equals 40. What is the
value of s − t? -336
14. Below is a table showing the classes that Mr. Lipton
taught and the number of students in each class. If no
student was enrolled in more than one class, what
percent of the students in Mr. Lipton’s classes did
not take Statistics?
Algebra
Statistics
Calculus
35
55
10
15. If x percent of 80 is 12, then x percent of what number is 18?
A. 112
B. 115
C. 117
D. 118
E. 120
16. The percent increase from 8 to 14 is equal to the percent decrease from 35 to x. What is the value of x?
A. 7.5
B. 7.75
C. 8.25
D. 8.5
E. 8.75
18. A television set is on sale for 15% off the original
price. If the sale price is $340, what was the original
price of the televisions set?
A. $340
B. $370
C. $400
D. $440
E. $470
19. Dan needs to gain 8% of his current body weight to
wrestle in weight Class A. Dan needs to lose the
same percent of his current weight to wrestle in
weight Class B. What percent of Dan’s Class A
weight, to the nearest tenth, does he need to lose to
get to his Class B weight?
20. During last year’s baseball season, a certain player
has 625 at bats and gets a hit 32% of the time. This
season the player increased the at bats by 12%, and
got a hit 34% of the time. What is the percent increase in the number of hits? 19%
21. Mike has a goal to bench press 220 pounds. When he
started working out, Mike was able to lift 150 pounds.
He has currently increased that amount by 20%. What
percent of his current lifting amount must Mike increase to reach his goal of 220 pounds?
1
A. 22 %
2
B. 22%
C. 22.22%
2
D. 22 %
9
E. 22
2
%
11