Proportions
One-Step Percent Questions
More One-Step Percent Questions
Two-Step Percent Questions
Multi-Step Problems
100
Solve for x.
x = 13.2
Cross multiply and solve for x.
100
A kayak is 72 inches long. A boat is 75% longer than the kayak. How long is the boat?
The boat is 126 inches long.
Be sure to add the 54 inches to the 72 inches. Your answer had to be bigger than 72.
100
Mr. Jerrell guessed there were 320 students in 7th grade. There are actually 345 students in 7th grade. What was Mr. Jerrell's percent error? Round to the tenths place.
7.2%
25/345 = x/100
100
Ms. Mac wants to buy a hat that costs $45. The store is having a 20% off sale. How much will Ms. Mac pay for the hat?
$36.00
(The discount was $9 so $45 - $9 = $36)
100
Mr. McGrinder and Mr. Davis are equally paying the 20% tip for their meal. Their bill, including tax is $27.50. How much will each contribute?
$5.50 divided by 2 = $2.75 each
200
Ms. Kim used 15 gallons of gasoline on a 150 mile trip. How many gallons of gasoline will she use on a 670 mile trip? SET UP A PROPORTION AND SOLVE.
She will use 67 gallons of gasoline.
Be sure to put gas with gas and miles with miles!
200
Everything in a store is on sale for 25% off.
The regular price of an umbrella is $15. What is the discount price?
$11.25
200
Sophia earns $15 per hour. Her employer offers her a raise, a 7% increase per hour. After the raise, how much will Sophia make per hour?
$16.05
Be sure to add the increase to her current hourly rate.
200
Ms. Wynn purchased an iPencil for $99 before tax. If the sales tax on her purchase was 7%, how much money should Ms. Wynn have to pay for the iPencil in TOTAL?
$105.93
$99.00 + $6.93 = $105.93
200
KeShaun has two part-time jobs. His first job pays $80 per week before an 9% deduction for taxes. KeShaun's other job pays $70 per week, but there is only a 6% deduction for taxes. What is the total amount KeShaun takes home each week after the deduction?
$138.60
Deduction means subtract. Find each separately, then add.
300
What is 4/5 written as a decimal and a percent?
0.8 and 80%
4 divided by 5 = 0.8
0.8 x 100 = 80%
300
Mrs. Berney earns 3.5% commission on all of her sales. Last week, she sold $4,500 worth of shoes. What was Mrs. Berney COMMISSION for the week?
$157.50
Commission does not get added to anything but salary and we were not given her salary.
300
Mrs. Salters decreased the number of bad jokes she read each week from 40 to 30. What was the percent decrease in the number of bad jokes she read each week?
25% decrease
10/40 = x/100
300
Anderson bought a $52 sweatshirt and used a coupon for a 15% discount. What is the SALES PRICE of the sweatshirt?
$44.20
The discount was $7.80
$52.00 - $7.80 = $44.20
300
Diego's dad is paying $30 for a meal. He has a 20% off coupon for the meal. After the discount, an 8% sales tax is applied. What does Diego's dad pay for the meal?
$25.92
First problem was a discount, then use that amount to find the sales tax.
400
About 881 students do not have after school activities.
400
Nike bought a pair of shoes for $60, and sold them for $90. What percentage was the markup?
50% mark up.
You didn't know the percent. The part was the amount of the mark up, the whole was the price that Nike bought the shoes for.
400
Mrs. Edde purchase 3 books for $4.10 each before tax. The sales tax on her total purchase was 8%.
Mrs. Edde gave the cashier a $20 bill, how much money should she receive back from the cashier?
She will receive $6.72 back from the cashier.
400
Tennis racket costs $25 each from a manufacturer. If a store purchases more than twelve rackets, the store receives a 20% discount on the total order. A store ordered 32 rackets. What was the total amount of the order before sales tax?
$640.00
You needed to multiply $25 x 32 to get $800. Then find 20% of $800. Be sure to subtract to get the total amount of the order.
400
All ski pants in a store were marked down 25% in February. In March, all remaining ski pants were marked down an additional 20%. If a pair of ski pants originally cost $125, how much will they cost after in March?
$75.00
500
A soccer team wins 8 of its first 15 games. How many games would you expect the team to win out of its 45 games if the team continues to play with the same degree of success?
24 games
8/15 = x/45
500
A $15,000 investment earned a simple interest rate of 4.5%. What was the BALANCE after FOUR years?
**Be sure to change the % to a decimal**
I = P*R*T
The balance is $17,700 after 4 years.
15,000 * 0.045 * 4 = $2,700 + the original $15,000
500
A PlayStation game sells for $60 after a 20% discount. Find the original price.
The original price was $75.00.
(Your answer has to be bigger than $60)