Math Quiz

Tia has 7 1/4 feet of yarn. She needs at least 5 3/4 feet for a craft project. How much more yarn does she have than the required amount?

• 1 1/2 feet

• 2 1/2 feet

• 1 3/4 feet

• 2 3/4 feet

What is 15% of 48?

• 72

• 32

• 7.2

• 3.2

There are 90 students in the chorus. Twenty-seven of them are sopranos. What percent of the chorus are sopranos?

• 30%

• 25%

• 20%

• 15%

Tracy put $3,500 into an investment yielding 4.5% annual interest. She left the money in the bank for 8 years. How much interest does she get in those 8 years? Use the formula: I = prt

• $1,860

• $4,760

• $2,240

• $1,260

Which of the following represents a rational number?

• √7

• 4/5

• π

• √8

Write 4.25 as a percent.

• 425%

• 0.425%

• 42.5%

• 0.00425%

Amazon buys a jacket for $62 and sells it for a 30% mark-up to make a profit. How much will Amazon charge its customers for the jacket?

• $80.60

• $62.30

• $18.60

• $92.00

A car salesperson sells a Honda Pilot for $35,000. If the salesperson makes 3.5% commission, how much will the person make in commission?

• $1,225

• $1,050

• $1,500

• $1,175

18 students brought in their field trip money. If this is 60% of the class, how many students are in the class?

• 30

• 28

• 25

• 32

Clarissa, Mia, and Jamie went out to breakfast at the diner. They spent $72. They tip the waitress 20%. How much was the bill including tip?

• $86.40

• $80.00

• $85.00

• $90.00