Percents and Mental Math

What percent is in color?

• 3%

• 30%

• 33%

• 300%

In the question:

"15% of what is 24?"

What is the 24?

• Part

• Whole

• Percent

In the question:

"7 is 10% of what?"

What is the 10?

• Part

• Whole

• Percent

The interest 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

Beyonce went to the mall and saw a diamond necklace that she would like. She has to take a loan out for $6,500 to purchase it. The bank said that she could get a simple interest rate of 8% for 5 years. What is the total amount that Beyonce will pay for the necklace?

• $2,600

• $910

• $9,100

• $260

Calculate 25% of 80

• 20

• 80

• 48

• 95

What is 10% of 15?

• 5

• 1.56

• 2.5

Find 80 % of 80

• 64

• 160

• 100

• 10

Calculate 75% of 80

• 60

• 80

• 20

• 70

10% OF $18.30

• $183

• $10.00

• $1.83

• $0.18