Unit 4 Study Guide

What is 30% of 60?

• 50

• .5

• 6

• 18

If you made 9 out of 15 free throws, what is your free throw percentage?

• 9%

• 60%

• 80%

• 90%

A math test has 40 problems. If a student incorrectly answers 5 problems, what percentage of problems are correct?

• 5%

• 12.5%

• 35%

• 87.5%

A cookbook originally cost $15. Yesterday, Joe bought it at 20% off. How much was deducted from the original price?

• $1.50

• $2.00

• $3.00

• $12.00

Alex put $412 in the bank and he earns 6% of the original amount per year. How much interest is earned after 5 years?

• $24.72

• $123.60

• $535.60

• $412.00

Alex put $412 in the bank and he earns 6% of the original amount per year. How much does he have in total after 5 years?

• $24.72

• $123.60

• $535.60

• $412.00

The cost, c, of a shirt can be found by

 $c=15s$ .  What is the cost of 4 shirts?

• $4

• $15

• $60

• $19

Which test score received a grade lower than 50%?

• 12 out of 20

• 10 out of 20

• 13 out of 20

• 7 out of 20

Jeff got his haircut for $21. If he gave the barber a 15% tip, how much did the haircut cost in total?

• $3.15

• $21.00

• $24.15

• $25.00

A TV was $350 and is now on sale for $275. What is the percent decrease?

• 75%

• 15%

• 21%

• 32%