Percent Increase/Decrease
Mark Ups
Mark Downs
Total Cost
Simple Interest
100
$12 to $17
42% Increase
100
$18 marked up by 25%
$22.50
100
$34 marked down by 65%
$11.90
100
90% of $40
$36
100
If $2,000 is borrowed from the back at a rate of 10% simple interest per year, how much interest is paid in 5 years?
$1,000
200
$87 to $56
36% Decrease
200
$756 marked up by 42%
$1,073.52
200
$97 marked down by 3%
$94.09
200
5% of $60
$3
200
You borrowed $400 from the bank with a 5% simple interest. How much have you paid back in 7 years?
$140
300
$196 to $39
403% Decrease
300
A store purchases shirts from a production company for $16. The store then marks them up by 64%. What is the price the store sells the shirts for?
$26.24
300
A store discounts a shirt that was originally $45 by 25%. What is the new cost of the shirt?
$33.75
300
A speaker is sold for $250 in a state where the tax is 7%. What is the cost of the speaker?
$267.50
300
Dan earns a 8% commission on everything he sells at the store where he works. He also earns a base salary of $350 per week. How much did he earn if he sold $4,500 worth of merchandise?
$710
400
$27 to $8,961
33,089% Increase
400
Rick buys a remote control car for $28 and resells it for 10% more. How much did Rick sell the remote control car for?
$30.80
400
What is the new price of a guitar if it was originally $567 and on sale for 75% off?
$141.75
400
A bill at a restaurant is $15.60. If a customer leaves a 15% tip, how much did they pay all together?
$17.94
400
Anne earns a monthly salary of $5,350 plus a 3% commission on the amount of her sales at her work. What would she earn a month if $2,976 worth of merchandise was sold? Round to the nearest cent.
$5,439.28
500
If an amount of $100 in a savings account increases by 10%, then by 10% again, what is the new total?
$121
500
A clothing store marks up shirts they purchased for $24 from another company by 35%. How much is the shirt sold in the store for?
$32.40
500
A store discounts a pair of pants that originally sold for $40 by 25% and a shirt that originally sold for $35 by 50%. What is the new cost of both of them added up?
Pants: $30, Shirt: $17.50; both: $47.50
500
A shirt is sold for $24.99 with a tax of 16%. What is the price of the shirt?
$28.99
500
A bank offeres an annual (yearly) simple interest rate of 10% on car loans. I borrowed $12,000 over a period of 3 years. How much did I repay all together?
$3,600