Basic Percents
What is the definition of percent?
a ratio that compares a number to 100
Convert 0.75 to a percent.
75%
What is 10% of 50?
5
If a shirt costs $20 and is 50% off, how much do you pay?
$10
If a price goes from $100 to $110, what is the percent increase?
10%
Write 25% as a fraction
25/100 or 1/4
Convert 3/5 to a percent.
60%
Find 25% of 80.
20
A test has 40 questions. You got 75%. How many did you answer correctly?
30
A population decreases from 500 to 450. What is the percent decrease?
10%
What is 50% as a decimal?
0.50
Convert 45% to a decimal.
0.45
Find 60% of 90.
54
You saved 30% on a $60 game. How much did you save?
$18
A jacket price increases from $80 to $100. What percent increase is that?
25%
What percent is the same as the fraction 1/2?
50%
Convert 0.12 to a fraction.
12/100 or 3/25
Find 15% of 200.
30
A population grows by 10%. If the original population is 1,000, what is the new population?
1,100
If a quantity decreases by 20% and the original is 200, what is the new quantity?
160
If you have 20 out of 100, what percent do you have?
20%
Convert 125% to a decimal.
1.25
What is 125% of 40?
50
A store sells 40% of its stock. If it started with 500 items, how many are left?
300
The value of a car drops from $20,000 to $15,000. What is the percent decrease?
25%