Simplifying Ratio
Simplify the Ratio 10 : 8
5 : 4
The ratio of baby girls : baby boys in a hospital is 4 : 5.
There are 16 baby boys. How many baby girls are there?
20
Divide £480 in the ratio 1 : 5
£80 : £400
If 6 sweets cost £13.50 how much will 3 sweets cost?
£6.75
It takes 8 workers 5 hours to complete a project. How long would it take 4 workers ?
10 hours
Simplify the ratio 30 : 6
5 : 1
If there were 15 cans of cola, how many diet cola were there?
20
Divide £650 in the ratio 1:9
£65 : £585
If 12 tickets cost £30.00 how much will 13 tickets cost?
£32.50
It takes 5 workers 3 hours to complete a project. How long would it take 15 workers ?
1hour
Simplify the ratio 60 : 6
10 : 1
The ratio of 'Hard' questions to 'Easy' questions in a test is 1:4.
If a test consists of 13 hard questions, how many easy questions are there?
52
Divide £675 in the ratio 8 : 1
£600 : £75
If 12 treats cost £11.40 how much will 10 treats cost?
£9.50
It takes 8 workers 10 hours to complete a project. How long would it take 40 workers ?
2 hours
Simplify the ratio 24 : 20
6 : 5
Ann : Joan = 2:5 (for every £2 Ann earns, Joan earns £5)
If Ann earned £20, how much must Joan have earned?
£50
Divide £280 in the ratio 4:3
£160 : £120
If 5 stamps cost £1.25 how much will 3 stamps cost?
75p
It takes 4 workers 2 hours to complete a project. How long would it take 2 workers ?
4 hours
Simplify the ratio 30 : 84
5 : 14
At a school disco, the ratio of pupils to teachers is 20 : 1
If 360 pupils turn up at a disco, how many people in TOTAL should there be at the disco?
378
Divide £550 in the ratio 3 : 8
£150 : £400
If 7 pens cost £6.93 how much will 4 pens cost?
£3.96
It takes 9 workers 14 hours to complete a project. How long would it take 42 workers ?
3 hours