Percent Quiz Review

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent change?

• 24%
• 20%
• 11%
• 50%

Sales of the Xbox One increased from 10,000 to 18,500 in November. What was the percent increase?

• 8.5%
• 45.9%
• 85%
• 85.8%

Tags

CCSS.6.RP.A.3C

The play attendance decreased from 250 students to 195 students. What was the percent decrease?

• 55%
• 22%
• 28.2%
• 32%

Tags

CCSS.6.RP.A.3C

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

Tags

CCSS.7.RP.A.3

What does the "I" in the interest formula stand for?

• It

• Interest

• the Headless Iron Man

• Ignoramus

Tags

CCSS.7.RP.A.3

43.5% of this skeleton's body is his the mermaid tail. Write that percent as a decimal.

• 4.35

• .435

• .0435

• 4300

The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________.  

• the amount of money borrowed or deposited
• the percent interest for his year
• the amount taxed
• the amount the bank owes you for being a customer at their bank

Tags

CCSS.7.RP.A.3

Write the percent as a decimal. 
4.3%

• 4.3
• .43
• .043
• 4300

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Tags

CCSS.7.RP.A.3

Anna invested $2,500 at an annual rate of 5%.  How long will it take until Anna earns $1,125 in interest?

• 5 years
• 8 years
• 10 years
• 9 years

Tags

CCSS.7.RP.A.3