Applications of Percents

In 1999, the price of unleaded fuel was $1.09. In 2015, the price of unleaded fuel was $1.89. What is the percent change?

• 173% increase

• 73% increase

• 73% decrease

• 27% increase

Last year 2,950 people attended a summer music festival. This year attendance was 2,376. What was the percent of change in attendance? Round your answer to the nearest whole percent.

• Increase 24%

• Increase 19%

• Decrease 24%

• Decrease 19%

Fill in the percent equation for this problem:

54 is what percent of 90?

• 90 = x(54)

• x = 54(90)

• 54 = 0.90x

• 54 = x(90)

Fill in the percent equation for this problem:

What is 5% of 60?

• 0.05 = x(60)

• x = 0.05(60)

• 60 = 0.05x

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

What percent is in color?

• 3%

• 30%

• 33%

• 300%

Find 10% of 90.

• 900

• 90

• 9

• 0.9

75% of what number is 27?

• 30

• 36

• 25

• 40

What is 15% of 12?

• 2

• 1.8

• 3

• 10