Solving Percentage Problems

A student earned a grade of 80% on a math test that had 30 problems.  How many problems on this test did the student answer correctly?

• 17 problems
• 24 problems
• 20 problems
• 18 problems

Nancy is buying a new pair of boots. The store is having a sale and all boots are 20% off. The sales price is what percentage of the original price?

• 20% is the discount, so 80% is the sales price
• 20% is the sales price, so 80% is the discount
• The boots are on sale so who cares
• I will just pay what the cashier says and hopes that I am not cheated out of my money

There are 42 teachers that work in a school.  On Friday, 29 teachers were present.  What percent of the teachers showed up for work? 

• 50%
• 69%
• 55%
• 80%

There are 32 students in a class.  Nine of those students are women.  What percent are men? (Round to the Nearest Tenth)

• 71.9%
• 73.5%
• 32%
• 32.9%

Sandals are on sale for 30% off. The original price of one pair of sandals is $30. What is the new cost of sandals after the discount?

• $4.50
• $21.00
• $9.00
• $11.60

Nancy is buying a new pair of boots. The store is having a sale and all boots are 15% off. The boots that Nancy wants to purchase are $95.00. The expression that can be used to represent the discount is

• 0.15($95.00)=discount
• 0.85($95.00)=discount
• 1.2($95.00)=discount

The ratio equation used to find percent is...

• part/whole = %/100
• part/whole = 100 / %
• whole/part= %/ 100

Last month, Karmin made $480 working for 30 hours. This month, she will get a 15% increase in the amount she earns per hour. What will be her hourly rate, in dollars per hour, after the raise? 

• $480
• $2.40
• $18.40
• $15.00

A pair of sandals costs $10.50.  There is a  7% sales tax.  What is the total cost of the sandals?

• $.74
• $10.50
• $12.78
• $11.24

Which fraction is equivalent to 0.1?

• 1/100
• 1/10
• 1/1000
• 1/1