Simple Interest
Tax/Tip
Markup
Discounts
Error & Percent Increase/Decrease
100

You put $100 into an account with 4% interest for a year. How much interest is earned?

$4

100

What is 5.75% as a decimal?

0.0575

100
A pair of shoes cost $25.00, and the retailer marks them up 40%. How much is the markup?

$10.00

100

How much is the savings on an item that regularly costs $15.00 and is on sale for 50% off?

$7.50

100

Expected amount of snow fall: 3 inches. Actual amount of snow fall: 5.5 inches. Find the percent error.

45.5%

200

You borrow $5500 for a motorcycle. The loan is for 24 months with a rate of 4.2%. How much will you pay in interest?

$462

200

How much is sales tax on a $21.50 purchase at 4%?

$0.86

200

An item costs $55.75 and is marked up 65%. What is the selling cost?

$91.99

200

What is the new selling price on an item that regularly costs $124.50 and is on sale for 55% off?

$56.03

200

Expected amount of income: $3150. Actual amount of income: $8225. Find the percent error.

61.7%

300

You borrow $10,000 for college tuition over 3 years. The interest rate is 14%. How much total money will you pay back after 3 years?

$14,200

300

You go to Texas Roadhouse and your bill is $52.79 and you want to leave an 18% tip. How much do you leave for a tip?

$9.50

300
If an item costs $39.88, how much is the markup at 95%?

$37.89

300

An item that regularly costs $17.50 is discounted 20%. What is the new price of this item?

$14.00

300

Expected attendance: 375. Actual amount of attendance: 82. Find the percent error.

357.3%

400

Lizzie and Tyra both open a new bank account and put the same amount of money in it. Lizzie’s account earns 6.5% simple interest, and after one year she earned $25.22 in interest. Tyra’s account earns 5.1% simple interest. How much money would Tyra have earned in interest after one year of opening her account?

$19.79

400

You go to Texas Roadhouse and your bill is $52.79 and you want to leave an 18% tip. What is the total cost of the visit to Texas Roadhouse?

$62.29

400

Mikey has a lemonade stand. It costs him $0.15 to make each cup of lemonade. He marks up the cost 500%. How much money does he sell lemonade for?

$0.90

400

An item costs $65.72. Take $7.50 off and then take 15% off. How much total was discounted?

$16.23

400

During first quarter, Luke’s math grade was a 99%. By the end of second quarter, his grade was an 72%. Identify if this is an increase or decrease, and determine the percent change.

27.3% decrease

500

Terrance and Layne both open a new bank account and put the same amount of money in it. Layne's account earns 8.8% simple interest, and after one year she earned $37.40 in interest. Terrance's account earns 7.32% simple interest. How much money would Terrance have earned in interest after one year of opening her account?

$31.11

500

What is the price of a $25.76 purchase with 6.25% sales tax?

$27.37

500

A toy has been marked up by 75%. The tag lists the price as $78.75. What was the original price?

$45.00

500

An item costs $45.50. Take 10% off, and then take 10% off again. How much total was discounted?

$8.55

500

Fauzia had been earning a monthly salary of $4175. She got a raise to $4275 per month. Identify if this is an increase or decrease, and determine the percent change.

2.4% increase