98% percent of the population is stupid. Luckily I’m part of the 3%.

Percents?

100

What is 15% of 246?

36.9

200

What is 245% of 132?

323.4

300

Joey goes to the store to buy a hat that costs $20. He uses a coupon for 17% off. How much does he pay for the hat?

$16.60

400

Ayush buys 2 travel mugs that each have an original price of $18.70. He uses a coupon for 15% off. How much does Ayush pay for 2 travel mugs?

$31.79

500

Jeremy goes to Lowes to buy some building materials. He buys $155 worth of lumber that he uses a 15% coupon on. He goes to Publix and gets 20% off his whole transaction of $212. How much did he spend altogether?

$301.35

Interest?

100

Determine the total amount of interest:

$2,300 at 7% for 9 years

$1,449

200

Determine the total amount of interest:

$43,800 at 4.8% for 2 years

$4204.80

300

Jared takes out a loan of $7,400 with a yearly interest rate of 10.5% for 1/4 year. How much will he owe in total after 1/4 year?

$7,594.25

400

Jared takes out a loan of $2,455 with a yearly interest rate of 8% for 4 months. How much will he owe in total after 4 months?

$2520.47

500

Mike saves $3,500 at a yearly simple interest rate of 4%. How many years does it take to earn $1120 in interest?

8 years

Percent Change?

100

Bob got a raise, and his hourly wage increased from $12 to $15. What is the percent change?

25% increase

200

Determine the Percent Change:

Original amount: 18

End amount: 26.28

46% increase

300

A shirt was originally priced at $48. It went on sale for $38.40. What was the percent that the shirt was discounted?

20% decrease

400

Tyrone receives a discount of $9.60 on a hat that normally costs $32.00. What percent discount does he receive on the hat?

30% off

500

The original cost of a shirt is $40. A store manager marks up the cost by 20% to get the selling price. During a sale, the store manager marks down the cost of the shirt by 20%. What is the percent change from the original cost to the sale price?

4% decrease

Percent Error?

100

Riley estimated the price of a video game to be $45, but it was actually $50. What is the percent error in her estimate?

10%

200

Leila predicted her phone bill would be $75.03, but the actual cost was $82. Calculate the percent error in her prediction.

8.5%

300

Jasleen estimated the population of her town. She guessed 832 too many people. The actual population is 4,057. What is the percent error? Round to the nearest hundredth of a percent.

20.51%

400

Aisha thinks her car will need 15.5 gallons to fill the tank, but it actually takes 2.7 gallons less. Find the percent error in her estimate. Round to the nearest thousandth of a percent.

21.094%

500

Malik estimated his dog’s weight. The actual weight was 135 pounds. Malik’s estimate had a percent error was 30%. What weights could have Malik guessed?

94.5 pounds and 175.5 pounds