Percent Proportion
Percent of Change
Tax, Tip and Markup
Discount
Simple Interest
100
What is 138% of 250?
345
100
100 to 150
50% increase
100
$ 25.86 meal; 15% tip
$29.74
100
105.95 chair; 20% discount
$84.76
100
$850, 4%, 6 years
$204
200
What percent of 80 is 8?
10%
200
$300 to $200
33% decrease
200
$35.99 pants; 6% tax
$38.15
200
$30 bat; 15% discount
$25.50
200
$4,200, 3.5%, 5 years
$735
300
What number is 74% of 58?
42.92
300
$75 to $25
67% decrease
300
$10 lamp; 5% tax
$10.50
300
29.95 sweater; discount 5%
28.45
300
Salvatore deposited $900 in a new account that earns 6% simple interest. After 2 years, how much interest will he have earned?
$108
400
18 is 30% of what number?
60
400
250 to 100
60% decrease
400
Jackson has lunch at a restaurant. If his bill was $14.50 and he wants to leave a 20% tip, what is the total amount he should leave?
$17.40
400
$1,550 computer; discount 25%
$1162.50
400
Alex borrowed $540 for 4 months and a simple interest rate of 4%. What was the total amount he owed?
$547.20
500
Twenty–four percent of the 25 swim team members are new on the team. How many members are new?
6
500
Callie bought a shirt for $18. The next day she saw the shirt was selling for $24.60. What is the percent of change?
37% increase
500
Lunch at Red Robin cost $64. Tip is 20% and tax is 6%. What is the total cost?
$80.64
500
A new TV costs $720 but is on sale for 30%. What is the total cost of the TV with the discount and 7% sales tax?
$534.24
500
If you earn $375 in interest after leaving $3000 in the bank for 5 years, what was the simple interest rate?
2.5%
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