Proportions
Percent Proportions
Tax, Tip, Discount
Simple Interest
I=PRT
100
Mary reduced the width of a painting to 3.3 in. What is the new height if it was originally 32.5 in tall and 42.9 in wide?
What is 2.5
100
There are 24 students in Mr. Sturgill's class. 21 of those students passed the SOL. What percentage failed the SOL?
What is 12.5%
100
James buys a new laptop for school that costs $499. He has a coupon for 20% off. How much money will he save?
What is $99.80
100

$1,000 is deposited into an account earning an annual simple interest rate of 2%. How much interest is earned in one year?

$20 earned 

200
A company can make 125 computers in 45 minutes. How many computers can they make in 3 hours?
What is 500
200
The movie theater has 275 seats. 230 seats were sold for the current showing. What percent of seats are empty?
What is 16.4
200
Your family goes out to eat for your dad's birthday. He orders an entree for $11.50. Your mom orders something for $9.75. You order something for $8.25. If your dad tips the waiter 20%, how much will he need to leave all together?
What is $35.40
200

Money is deposited into an account for 5 years earning an annual simple interest rate of 2%. How much interest is earned if the principal amount is $1000?

$100 earned 

300

In the United Kingdom the risk of a child developing cancer is approximately 3 in 1,500. If there are approximately 11,721,722 children in Great Britain, how many have cancer?

What is 23443

300
A school of 450 voted for school president. 40% voted for John and 60% voted for Tina. How many votes did the winner get?
What is 270
300

A small company buys $225,000 worth of taxable items during the 2013 year. If they paid a 5.75% sales tax on these items, how much tax did they pay for the year?

What is $12937.50

300

Ken takes out a loan for $2,500 that earns an annual simple interest rate of 0.9%. What is the interest he must pay? 

$180

400
Oscar loves cheeseburgers. He enters a 24 hour cheese burger eating contest. During the contest Oscar eats a cheese burger every 15 minutes. How many cheese burgers will he eat during the entire contest?
What is 96
400
A survey of 2,500 people was done by the Bristol Herald Courier. 92% of the people in Bristol did not know who the first president of the United States was. How many knew that George Washington was the first president?
What is 200
400
You are shopping for a new car and see the one that you want. The sticker on the car says $8750. The car lot is a having a sale and every car is 5% off. You will be required to pay 7.25% sales tax on the car. You can afford a loan for $9250. How much will you have to pay total for this car and can you afford it?
What is $8915.16 and yes
400

Kaye places $270 into a bank account that earns 1.8% interest rate in 3 years. What is the interest earned? 

$14.58

500

Michelle spent $300 on preparing for a party with 15 guest. Each guest cost the same amount of money. How many guests could attend the party that cost $500?

What is 25

500
Bill is in a class of 15 boys and 35 girls. 18 of them take the bus to school. What percentage don't take the bus to school?
What is 64
500
You are buying a new book for math class. The book costs $23.50 but is currently 10% off. You must also pay a 6% sales tax. If you pay with a $50 bill, how much change will you get back?
What is $27.58
500

It took Mr. Teal 4 years to pay off a simple interest loan. The bank charges an interest rate of 5.5%. He pays $352 in interest. What was the principal of the loan?

$1,600

M
e
n
u