I checked through number 11.
7 is wrong. The others (2 - 11) are right.
2. Write the decimal 0.063 as a percent.
a) 0.63%
b) 6.3% <--------------
c) 63%
d)630%
3. A survey at your school found that 792 in 1,220 students have a cell phone. What percent of
the students in school has a cell phone? Round to the nearest hundredth where necessary.
a) 6.49%
b) 54.04%
c) 64.92% <---------
d) 79.20%
4. Write the percent 96.55% as a decimal.
a) 9655
b) 965.5
c) 0.9655 <----------
d) 9.655
5. Carrie and nine of her friends go out to dinner. The total bill comes to $191.10. They decide to
leave a 15% tip. Each person will contribute an equal amount to the total tip. Estimate what
each person should contribute.
a) $19.00
b) $28.50
c) $1.90
d) $2.85 <-----------
6. Use a proportion to solve the problem.
34% of 83
a) x/100 = 34/83; 40.96
b) x/100 = 34/83; 2.822
c) x/83 = 34/100; 28.22 <--------
d) x/83 = 34/100; 56.44
7. 77 is what percent of 192?
a) x/100 = 77/192; 4.01% <----------
b) x/100 = 77/192; 40.01%
c) x/77 = 100/192; 77.3%
d) x/100 = 192/77; 249.4%
8. While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. Find
the number of students in the entire class.
a) x/26 = 65/100; 250 students
b) x/26 = 65/100; 26 students
c) 26/x = 65/100; 40 students <-------
d) x/26 = 65/100; 17 students
9. During the soccer season, Richard attempted 80 goals and made about 65% of them.How many goals did Richard make?
The team made a total of 327 goals. What percent of the team’s made goals did Richard
make?
a) 15 goals; 24.5%
b) 52 goals; 15.9% <----------
c) 61 goals; 49.2%
d) 212 goals; 64%
10. 0. What percent of 21 is 7?
a) 21 = x • 7; 30%
b) 21 = x • 7; 3%
c) 7 = x • 21; 300%
d) 7 = x • 21; 33.33% <------------
11. The sales tax rate is 6.9%.
Find the tax paid for a pair of boots with a list price of $128.
What is the total cost of the pair of boots?
a) $8.83; $128.88
b) $8.83; $136.83 <--------------
c) $0.88; $136.83
d) $0.88; $128.88
12. Jamie is a salesperson in a shoe store and earns $95 per week, plus 20% of her weekly sales. If
Jamie makes $475 in one week, what are her sales for that week?
a) $1,425
b) $1,900 <-----------
c) $2,375
d) $2,850
13. In 2000, the population at Arlington Middle School was approximately 421 students. In 2010,
the population was approximately 584 students. Find the percent of change in the population at
Arlington Middle School from 2000 to 2010 and identify it as an increase or decrease.
a) 27.9%; increase <-----------
b) 27.9%; decrease
c) 38.7%; increase
d) 38.7%; decrease
14. The owner of an electronics store received a shipment of MP3 players at a cost of $64.25 each.
If he sells the MP3 players for $99.99 each, what is the percent of markup? Round to the
nearest whole percent.
a) 6%
b) 36% <-----------
c) 56%
d) 62%
15. In Store A, a video game that regularly sells for $59.99 is on sale at 10% off. In Store B, the
same video game regularly sells for $64.99 and is on sale at 15% off. Which store sells the
video game for the lower sale price?
a) Store A; Store A’s sale price is $53.99, and Store B’s sale price is $55.24.
b) Store A; Store A’s sale price is $50.99, and Store B’s sale price is $55.24.
c) Store B; Store A’s sale price is $55.24, and Store B’s sale price is $50.99.
d) Store B; Store A’s sale price is $55.24, and Store B’s sale price is $53.99. <--------------------------------
16. Find the final balance in an account with $660 invested at 3.5% annual simple interest for five
years.
a) $23.10
b) $115.50
c) $683.10 <-------------------
d) $775.5
2 answers
12. Correct.
13. Incorrect. 38.7%, with an increase, is the right answer. The question is illogical, though, and only serves as a tester of your ability to manipulate percentages.
14. Correct.
15. Incorrect, A is the right answer. You must've gotten the prices of store A and B mixed up!
16. Incorrect, D is the right answer. Simple interest is $115.5, which is added to the initial sum i.e. $660 adding up to a $775.5.
13. Incorrect. 38.7%, with an increase, is the right answer. The question is illogical, though, and only serves as a tester of your ability to manipulate percentages.
14. Correct.
15. Incorrect, A is the right answer. You must've gotten the prices of store A and B mixed up!
16. Incorrect, D is the right answer. Simple interest is $115.5, which is added to the initial sum i.e. $660 adding up to a $775.5.