Discount
One Quantity as a Percentage of Another Quantity
Increase and decrease using multipliers
Percentage change
Interest
100

A $40 purchase has a discount of 25%.  Find the discount.

$10?

100

There are 25 girls, 18 boys, and 7 adults on a bus. What percentage of the people on the bus are adults?

14% of the people are adults

100

What multiplier should you use to increase an amount 40%?

1.4

100

What's the percent of change formula?

What's change/original x 100?

100

A person deposits $365 in a bank at 7% simple interest for 3 years. How much money will be in the account after 3 years?

$441.65

200

This is the sale price for an item regularly $65 with a 15% discount.

$55.25?

200

Ben, Ming, and Samy shared $180. Ben received $45, Ming received $63, and Samy received the rest. What percentage of the money did Samy receive?

She received $72 or 40% of the money.

200

What multiplier should you use to decrease an amount 30%?

0.7

200

If the price of a pair of shoes originally costed $50, and now they're selling for $100, find the percent of change.

100% increase?

200

If you deposited $5000 in a bank account with an 8% annual interest compounded yearly, how much will you have after 6 years? (Round to your nearest tenths)

$7934.4

300

A $400 purchase has a discount of 10%.  Find the price of the purchase before tax.

$360?

300

Duncan had $800 and spent $480 on a television set . What percentage of his money did he spend on the television set?

He spent 60% of his money on the television set.

300

Sam wants to increase his savings by 30%. He currently has 240 rial in his savings. How much will he have after the increase?

312

300

If the meal costed $6.50 in 2020, and now it costs $8.75, find the percent of change.  

34.6% increase?

300

A person deposits $245 at an annual compound rate of 6%. What is the deposit amount at the end of one year?

$260.11

400

The percent of discount on an item that was $68 and is now $40.80.

40%?

400

The average lion eats 25 pounds of food every 5 days. How many pounds of food does it eat every day?

5 pounds

400

Julia wants to decrease her screen time by 60%. She currently spends 6 hours a day on her screen.
How much time will she spend after decreasing her screen time by 60%?

2.4 hours = 144 min= 2 hours and 24 min.

400

If a purchase normally costs $80, but right now it's on sale for $40, find the percent of change.  

50% decrease?

400

I have borrowed $1,240 at 8% compounded annually for 2 years. What is my total payback amount?

$1,446.34?

500

A $80 pair of shoes has a discount of 20% and tax of 7%.  Find the final sale price.  

$68.48?

500

400 students were asked to choose their favorite games. 26% of them chose baseball, 12% basketball, 10% volleyball, and the rest chose soccer. How many students chose soccer?

208

500

Mark wants to decrease his loan by paying off 10% each month for the next 2 months. He currently has 400 rial of debt. How much will he have left to pay off after the two months?

324 rial

500

If a purchase normally costs $180, but it increased to now it's on sale for $200, find the percent of change.

11.1% increase?

500

Interest Rate: 7% annually Starting Balance: $131 Time Passed: 7 years 

How much interest will this person earn in the 7 years? To the nearest whole number

$79

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