Percent Change/Percent Error
Tax, Tip, Discount
Working with Percent
100
100 acres to 140 acres
What is a 40% increase?
100
$43 dinner, 18% tip. Find the total cost.
What is $50.74?
100
Find 65% of 186
What is 120.9?
200
$15.60 to $11.70
What is a 25% decrease?
200
What is the sales tax on a $178.90 chair if the tax rate is 5.75%?
What is $10.29?
200
Find 23.5% of 128
What is 30.1?
300
48 notebooks to 14 notebooks
What is a 71% decrease?
300
$99 CD player, 5% tax. Find the total cost.
What is $103.95?
300
12 is 90% of what number?
What is 13.3?
400
Eva estimates that 475 songs will fit on her MP3 player. The actual amount of songs that fit is 380. Find the percent error.
What is 25%?
400
$64 phone, 20% discount. Find the total price.
What is $51.20?
400
What percent of 50 is 18?
What is 36%?
500
Last school year the enrollment at Genoa Middle School was 465 students. This year the enrollment is 525. Find the percent change.
What is a 13% increase.
500
Admission to the movies is $7.50. You have a coupon for 20% off. You also need to pay a 5.75% tax on the discounted price. Find the amount you'll pay to get into the movie.
What is $6.35?
500
12% of 72 is what number?
What is 8.6?
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