Discount
Percent Decrease
simple interest
Percent Increase
Tax and tip
100

A $10 item is on sale for 50% off. What is the sales price?

what is $5.00

100

the temperature fell from 48 degrees to 32 degrees. What is the percent change in temperature? (round to nearest whole percent)

what is -33% or 33% decrease

100

how much simple interest would you generate if the initial amount was $100, the interest rate was 5% and the amount of time was 2 years?

what is $10

100

the class grew from 18 students to 27 students. What is the percent increase?

what is 50% increase

100

you buy a meal for $10 dollars. there is a 5% sales tax. what is the cost of the meal after tax?

what is $10.50

200

a $45.00 item is on sale for 25% off. How much is the discount?

what is $11.25

200

the amount of water in the tub fell from 40 gallons to 32 gallons. what is the percent change in amount of water in the tub?

what is -25% or 25 percent decrease

200

what is the total amount in your investment account if you invested $220 generating simple interest at a rate of 4% over 5 years?

what is $264

200

the cost of french fries rose from $3 to $3.45 what is the percent increase in cost?

what is 15%

200

The cost of your meal was $30. You want to leave a 15% tip. How much tip are you going to leave?

what is $4.50

300

a  $150 item is on sale for 30% off. How much is the sales price?

what is $105.00

300

a car decelerated from 75 mph to 65 mph. What is the percent change in speed? (round to nearest whole percent)

what is -13% or 13% decrease

300

A store charges $1 for 1 bag of skittles, $2 for 2 bags of skittles, and $3 for 3 bags of skittles. Is the cost of skittles proportional to the number of skittles bought?

what is yes they are proportional

300

the cost of gas went up from $2.70 to $2.93 what is the percent increase? (round to the nearest whole percent)

what is 9%

300

You buy a meal and it comes to $45 before tax. there is an 8% sales tax. What is the amount of tax you have to pay?

what is $3.60

400

A $800 item is on sale for $500 dollars. What is the discount percent?

what is 37.5% discount

400

a skydiver fell from 15,000ft to 8,000ft before opening his shoot. was the percent change in elevation before opening his shoot? (round to nearest whole percent)

what is -47% or 47% decrease

400
How much interest would you generate on a initial investment of $375 on a 11.5% interest rate over 7 years? (round to the nearest cent)

what is $301.88

400

the population of spokane increased from 240,000 to 256,000. what is the percent increase? (round to the nearest percent)

what is 7%

400

You buy a meal for $36.00 before tax. There is a 6% sales tax. You want to leave a 20% tip. what is the total cost of the meal? (tip on the cost of the meal before tax)

what is $45.36
500

an item is on sale for $225.50. if the original price was 375.99, what is the percent discount? (round to the nearest whole percent)

what is 40% discount

500

the price of stock in dvds fell from $11 a share to $9.32 a share. what is the percent change? (round to nearest whole percent)

what is -15% or 15% decrease.

500

what is the total amount in your account if you invest $1200 at rate of 4.5% over 12 years?

what is $1848

500

Trevor's grade went from a 76% to a 84%. what is the percent increase? (round to the nearest whole number)

11%

500

Your family bought a large meal that cost $125 before tax. There is a 8% sales tax. you want to leave a 15% tip. What is the total cost of the meal (tip on the meal before tax)

what is $153.75