Rate Reasoning and Percent

There are 9 students in a classroom that play football, this is 37.5% of the class. How many students are in the class?

Set up a proportion to help you solve this problem.

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Pacino worked 8 hours out of the day. What percent of the day did he work?

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Amanda increased the amount of protein she eats every day from 48 g to 54 g. By what percentage did Amanda increase the amount of protein she eats?

• 11.1%

• 88.9%

• 112.5%

• 12.5%

A ________is a ratio that compares a number to 100. The symbol % is used to show a ________.

• ratio

• percent

• proportion

• 2.4
• 6.67

• 5.6
• 11.2

The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a______.

• fraction

• decimal

• ratio

• dollar amount

Alexton the Skeleton borrowed $4,000 for 5 years at 6% simple interest rate to pay for his band equipment. How much interest is that?

• $800

• $1,000

• $1,200

• $1,500

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. What will the value of Jerry's account be after 5 years?

• $520,000

• $120,000

• $5,200

• $1,200

Pennywise puts $300 in a bank account earning 4% interest. How much will he earn in interest in 1 year?

• 4

• 8

• 12

• 16