Ratio, Proportion and Percent Review

A Xbox controller costs $60. If the sales tax rate is 5%, how much is the sales tax?

Type only the number, leave out the $ sign.

In the past year Jane watched 27 movies that she thought were very good. She watched 60 movies over the whole year. Of the movies she watched, what percentage did she rate as very good?

• 15%

• 25%

• 35%

• 45%

The sales tax for an item was $17.50 and it cost $350 before tax. Find the sales tax rate. Write your answer as a percentage.

What percent of 50 is 20?

• 40%

• 25%

• 2.5%

• 4%

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

What is 40% of 230?

• 92

• 9200

• 9.20

• 575

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

• Increase 12.5%

• Decrease 12.5%

• Increase 4%

• Decrease 4%

A shoe sales associate earned $300 in August. In September she earned 8% more than she did in August. How much did she earn in September? 

• $164

• $256

• $404

• $324

Kate had $200 in her bank account.  Currently, she has $1,800 in her account.  Find the percent of increase. 

• 8% increase

• 800% increase

• 80% increase

• 16% increase

$75 dress shirt; 20% discount

• $2.36

• $70.20

• $60.00

• $20.00