Fractions/Decimals to Percentages
What is 8% as a decimal?
0.08
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
What is 35% of $50?
$17.50
Calculate -4 + -5
-9
What is 8% as a fraction in simplest form?
2/25
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.
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
Calculate 5/6 x 3/5
1/2
Estimate 168/961 as a percentage
20%
What is 2% as a fraction in its simplest form?
1/50
Duncan spent $480 on a television set and had $320 left. What percentage of his money did he spend on the television set?
He spent 60% of his money on the television set.
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?
28 students are in the club this year
Jim and Leo share money in the ratio 8:3. Leo gets £150. How much does Jim get?
£200
When do we move the decimal 2 places to the right? Why are we doing this?
To change a number to a percent. We do this because we are multiplying the number by 100.
What is 467% as a decimal? What percentage increase does this represent?
4.67. An increase of 367%
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
There were 1500 people at a concert. 55% of them were men, 20% of the remainder were women, and the rest were children. How many children were there?
540 children
Calculate 4.5 x 3.87
17.415
What percentage of the Maths teachers are male? Round your answer to 1dp.
42.9%
What is 0.5% as a fraction in simplest form and as a decimal?
1/200 and 0.005
I averaged 80% on 2 tests. Both tests were out of 50 points. I got 42 points on my first test. How many points did I get on my second test?
38 points
Amy had $120. She spent 20% of the money on food and 25% of the remaining on clothes. How much money did she have left?
She has $72 left.
Suzie and Mary share some money in the ratio 5:2. Suzie gets £6000 more than Mary. How much does each girl get?
Suzie: £10,000
Mary: £4,000