7th Grade Showcase-Percents

Kevin puts $600 into a savings account. The account pays 5% simple interest. How much interest will he earn in 10 1/2 years?

Hint: Interest=Principal x Rate x Time

• 300

• 540

• 315

• 255

Juan takes out a 5-year car loan for $20,000. The interest rate is 8% per year. How much simple interest will he pay over the 5-year period?.

Hint: Interest=Principal x Rate x Time

• $8500

• $4500

• $8000

• $9200

Luis is taking out a car loan for $5000. He plans on paying off the car loan in 2 years. At the end of 2 years, Luis will have paid $300 in interest. What is the simple interest rate on his car loan?

Hint: Interest=Principal x Rate x Time

• 5.5%

• 4%

• 2.5%

• 3%

Find the sales price to the nearest cent.

$64 Jacket

20% Discount

• $51.20

• $12.80

• $20

• $44

Find the Sales Price to the nearest cent.

$7.50 Admission Price

20% Off

9% Tax

• $8.18

• $6

• $6.54

• $1.50

Find the Commission

Sales Price $750,000

2.5% Commission Rate

• $18.75

• $1875

• $1,875,000

• $18,750

A cell phone is on sale for 30% off. If the sale price is $239.89, what is the original price?

• $300

• $342.70

• $71.97

• $167.92

A skateboard that has a regular price of $70 is on sale for 40% off. What is the sale price with 8% tax?

• $42

• $28

• $45.36

• $55

You guessed that there are 350 gumballs in a jar, but there are actually 500. What is your percent error? HINT: Percent Error=Amount of Error/Actual Amount

• .43

• 43%

• .3

• 30%

The median home value in Covina last year was $750,000 and this year is $800,000. What is the percent increase in the median home value in Covina? Round to the nearest percent.

• 9%

• 6%

• 7%

• 5%