Fractions/Decimals to Percentages
Percentages to Fractions/Decimals
One Quantity as a Percentage of Another Quantity
% of a Quantity
100

What is 0.12 as a percentage?

12%

100

What is 8% as a decimal?

0.08

100

There are 25 girls, 18 boys, and 7 adults on a bus. What percentage of the people on the bus are adults?

14% of the people are adults

100

What is 35% of $50?

$17.50

200

What is 3.45 as a percentage?

345%

200

What is 8% as a fraction in simplest form?

2/25

200

Ben, Ming, and Samy shared $180. Ben received $45, Ming received $63, and Samy received the rest. What percentage of the money did Samy receive?

She received $72 or 40% of the money.

200

A shirt is 30% off for Black Friday. The regular price is $40. How much is the sale price?

It's on sale for $28

300

What is 168/861 rounded to the nearest whole percentage

20%

300

What is 5% as a fraction in simplest form 

1/20

300

Duncan had $800 and spent $480 on a television set . What percentage of his money did he spend on the television set?

He spent 60% of his money on the television set.

300

There were 24 boys and 20 girls in a chess club last year. This year the number of boys in the club was increased by 25% but the number of girls was decreased by 10%. How many students are in the club this year?

48 students are in the club this year

400

What equation would you use to find the percentage of girls in our class?

number of girls/number of students x 100%

400

You want to get a 90% on a test. The test is out of 60 points. How many points do you need to have?

54 points

400

The average lion eats 25 pounds of food every 5 days. How many pounds of food does it eat every day?

5 pounds

400

Amy had $120. She spent 20% of the money on food. How much money did she have left?

She has $96 left.

500

When do we move the decimal 2 places to the right? Why are we doing this?

To change a decimal to a percent. We do this because we are multiplying the number by 100.

500

95% = x/20 A number out of 20 is 95%. What is the number?

19

500

400 students were asked to choose their favorite games. 26% of them chose baseball, 12% basketball, 10% volleyball, and the rest chose soccer. How many students chose soccer?

208

500

There were 1500 people at a concert. 55% of them were men, 20% of them were women, and the rest were children. How many children were there?

375 children