percent study guide

Eloise purchased a $65.00 gift for a baby shower. She uses a coupon that offers 20% off. How much will Marie spend on the gift after the coupon?

• 52

• 13

• 45

• 78

Tybalt paid $490.75 in truck repairs. The sales tax rate is 6.5%. Which of the following is a reasonable estimate for the total Tybalt paid to repair his truck?

• $37.00

• $458.50

• $32.00

• $522.50

A recipe for apple cider calls for 4 cups of apple juice and 3 cups of water. Which equation can be used to find x, the percent of apple juice in the recipe?

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A local flower shop sells a dozen peonies for $16.20. Based on this information, which of the following could be true?

• $38.55 for four dozen peonies

• $64.25 for five dozen peonies

• $24.30 for 18 peonies

• $32.25 for two dozen peonies

Joe plans to borrow $7,500 from the bank to purchase a used vehicle. If he borrows the money at a rate of 5% interest for 3 years, what is the total amount be will have to pay back to the bank?

• $1,125

• $8,625

• $11,250

• $18,750

Javier worked the following hours in the month of October. What was the percent increase from week 2 to week 4?

• 24%

• 45%

• 32%

• 76%

The doctor recommended that Jem decrease the number of calories he consumed from 2,800 to 2,100. By what percent did the number of calories decrease?

• 33%

• 25%

• 75%

• 66%

Find the missing value.

• 200

• 96

• 66.7

• 150

A propeller rotates 6 times every 15 seconds. Based on this information, which of the following could NOT be true?

• The propeller rotates 30 times in 90 seconds

• The propeller rotates 24 times in 60 minutes

• The propeller rotates 18 times in 45 seconds

• The propeller rotates 12 times in 30 seconds

The Skywalker family spends $900 per month on groceries for their family. If this is 20% of their monthly budget, then what is their monthly budget?

• $180

• $4500

• $1800

• $450