Percents Unit Review

Marie wants to purchase a baby shower gift that costs $49.00. She uses a coupon that offers 20% off. How much will Marie spend on the gift after the coupon?

Mathematical Equivalence

ON

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

(REMEMBER TO TYPE X ON YOUR KEYBOARD, DON'T CLICK THE X ON THE SCREEN)

Mathematical Equivalence

ON

Romeo paid $380.75 in car repairs. The sales tax rate is 7.5%. How much will Romeo pay in sales tax?

Mathematical Equivalence

ON

A local flower shop sells a dozen roses for $12.85. Identify which answers are correct and which are incorrect.

Groups:

(a) Correct

,

(b) Incorrect

• It costs $1.07 per rose

• It costs $32.13 for two dozen roses.

• It costs $64.25 for 5 dozen roses

• It costs $38.55 for four dozen roses

Taylor plans to borrow $4,500 from the bank to purchase a used vehicle. If he borrows the money at a rate of 4% simple interest for 2 years, what is the total amount he will have to pay back to the bank?

Mathematical Equivalence

ON

Airfare from Atlanta, GA to Nashville, TN changed from $250 per ticket to $180 per ticket. By what percentage did the cost of the airfare change?

• An increase of 28%

• An increase of 39%

• A decrease of 28%

• A decrease of 39%

The Hoskins family spends $600 per month on groceries for their family. If this is 15% of their monthly budget, then what is their monthly budget?

Mathematical Equivalence

ON

Sophia invests $12,500 in an account that earns 4% annual simple interest. Assuming she makes no additional deposits or withdrawals, how much interest will Sophia earn after 3 years?

Mathematical Equivalence

ON

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

• The propeller rotates 30 times in 90 seconds.

• The propeller rotates 24 times in one minute

• The propeller rotates 18 times in 45 seconds.

• The propeller rotates 12 times in 30 seconds.

Paula pays $19.92 for 2.4 pounds of walnuts. What is the price per pound of walnuts?

Mathematical Equivalence

ON