Percent of Numbers
100% of 5?
What is 5?
Write the percent equation.
What is part = % * whole?
Write the percent increase/decrease formula?
change = % change * original
Write the markdown equation.
markdown = markdown % * original price
Write the Simple Interest Formula.
What is I = prt?
63.5% of 9.
What is 5.715?
Decide whether the following situation is looking for the part, the percent, or the whole.
81 of 270 pages in a book
What is the percent?
Original quantity: 100 New quantity: 106 What is the percent increase?
What is 6%?
A computer store bought a program at a cost of $10 and sold it for $13. Find the percent markup.
What is 30%?
Liu deposited $3,500 into a savings account. The simple interest rate is 4%. How much interest will the account earn in 2 years?
What is $280?
A school orchestra has 60 members. 20% of the members are percussionists. How many orchestra members are percussionists?
What is 12 members?
A school drama club has 40 members. Of those students, 35% of the members are seventh graders. How many drama club members are seventh graders?
What is 14 seventh graders?
Original quantity: 100 New quantity: 88
What is the percent decrease?
What is 12%?
A music store bought a CD set at a cost of $20. When the store sold the CD set, the percent markup was 40%. Find the selling price.
What is $28?
$500 was deposited into a savings account and earned $20 in interest at 4%. How long did it take to earn the $20 interest?
What is 1 year?
When a bush was first planted in a garden, it was 12 inches tall. After two weeks, it was 120% as tall as when it was first planted. How tall was the bush after the two weeks?
What is 14.4 inches tall?
In a town, 273,600 votes were cast in an election. 57% of those who were registered voted. How many registered voters are there in the town?
What is 155,952 voters?
Original quantity: 50 New quantity: 56
What is the percent increase?
What is 12%?
A store advertises a 20% markdown on a dishwasher that normally sells for $952. Find the price on sale.
What is $761.60?
$35 in interest was earned over 7 years at a 10% interest rate. What was the principal amount?
What is $50?
The number of students in the marching band this year is 125% as many as the number of students in the marching band last year. If there were 36 students in the marching band last year, how many students are in the marching band this year?
What is 45 students?
A student answers 90% of the questions on a math exam correctly. If he answers 27 questions correctly, how many questions are on the exam?
What is 30 questions?
Original quantity: 20 New quantity: 8
What is the percent decrease?
What is 60%?
A department store buys 300 shirts for a total cost of $7,200 and sells them for $30 each. Find the percent markup.
What is 25%?
J.D. opened a savings account with $425. After 2 years, the total interest he earned was $10.20. What was the annual interest rate?
What is 1.2%?