Percent Proportions
Percent Change
Tips & Simple Interest
Taxes
Discounts
100
30 is what percent of 120? Answer using a percent proportion and with a quanswer.
x = 25% 30 is 25% of 120
100
What is the percent change from 4,000 tp 200? Is it a decrease or an increase?
The percent change was a 95% decrease
100
Your meal at a restaurant was $48.72. You want to leave a 20% tip. What is the total cost?
the total cost of the bill is $58.46 after leaving a 20% tip.
100
A bicycle is on sale for $189.50. The sales tax rate is 5%. What is the total price?
x = $198.98 The total cost of the bike with a 5% discount would be $198.98
100
What is the sale price of a pair of $85 shoes that are on sale for 35% off? Be sure to specify the amount of the discount.
Discount = $29.75 Sale Price = $55.25 The sale price of the shoes after a 35% discount would be $55.25
200
24 is 80% of what number? Answer using a percent proportion and with a quanswer.
x = 30 24 is 80% of 30
200
What is the percent chage of a purse if the price went from $45 to $54?
The price of the purse increased by 20%
200
The Kerwoods went out to eat at Chilles. If there bill was $58.65 and they gave their server a 15% tip, how much did they pay altogether?
x = $67.45 The total cost of the Kerwoods bill including tip is $67.45
200
Megan bought 50 beads for $9.95. She received a 10% discount, and she paid a sales tax of 6%. How much did she pay for the beads?
x = $9.49 Megan will spend $9.49 with a 10% discount and 6% sales tax.
200
Adrian paid $29 for a t-shirt. If the shirt was 30% off, what was the original price of the t-shirt?
x = $41.43 The original price of the t-shirt was $41.43
300
18 is 40% of what number?
x = 45 18 is 40% of 45
300
A DVD movie originally cost $24.99. Its current price is $19.99. What is the percent of change rounded to the nearest percent?
The price of the dvd increased by 20%
300
Find the total amount of simple interest that is paid over a perod of five years on a principal of $ 30,000 at a simple interest rate of 6%.
I = $9,000 The total amount of interest paid in 5 years would be $9,000.
300
Justin and his friend Dan went to the movies. If they each bought popcorn for $4.25 and a soda for $2.25, what was their total bill after adding 5% sales tax?
x = $13.65 The total bill for Justin and Dan will be $13.65 including a 5% tax.
300
Aimee is decorating her new house. She found a table at Pier One for $425. If the table is 25% off, what will it cost?
x = $318.75 The total price of the table with the 25% discount will be $318. 75
400
What is 20% of 45?
x=9 9 is 20% of 45
400
Kate had $2,251.35 in her bank account. Currently, she has $1,975.86 in her account. Find the percent of change rounded to the nearest percent.
Kate's bank account balance decreased by 12%
400
To buy a car, Jessica borrowed $15,000 for 3 years at an annual simple interest rate of 9%. How much interest will she pay if she pays the entire loan off at the end of the third year? What is the total amount that she will repay?
I = $4,050 $15,000 + $4,050 = $19,050
400
Vicky made some purchases at the Sunflower Market. She bought strawberries for $3.50, carrots for $2.25 and a bouquet of flowers for $9.95. If sales tax is 5%, what will Maria pay altogether
400
The Richards family bought some new camping gear at REI that totaled $318.50. If they receive a 30% discount and pay 6% sales tax, what is their total bill? What is the amount of the discount?
The discount will be $222.95 x = $236.38 The total cost of the Richards family bill will be $222.95 adter
500
A survey of 1,000 people was done by New York Times. 80% of the people did not know the name of their representative in Congress. How many of the 1,000 people knew the name of the Congressman?
x = 800 1,000 - 800 = 200 Out of 1000 people only 200 people knew the name of the congressman.
500
In 1986 the average price of a gallon of gasoline was $0.93 cents. In 2007 the average price of a gallon of gasoline was $2.77. Round to the nearest percent of change
The average price of gasoline increased by 198%
500
John’s parents deposited $1000 into a savings account as a college fund when he was born. How much will John have in this account after 18 years at a yearly simple interest rate of 3.25%?
I = $585 $1,000 + $585 = $1,585
500
Rick bought 3 shirts for $18 each, 1 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. Rick has a coupon for 20% off his purchase total. The sales tax rate is 8.5%. What was his total cost?
x = $89.40 Rick's total cost is $89.40 with the 20% discount and 8.5% discount.
500
Ryan transfers 15% of his monthly pay into a savings account. If Max makes $1850 per month, how much will he save in a year?
x = $277.50 $277.50 * 12 months = $3,330 Ryan tranfers $277.50 per month. In a year Ryan will save $3,330.
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