Ratio Flashcards
1
Q
It takes 6 men 5 hours to paint a room.
How long will it take 4 men?
A
There is 6 x 5 = 30 hours of work to paint the room.
Share that between 4
30 ÷ 4 = 7.5 hours
2
Q
Split £450 in the ratio 2:3
A
2 + 3 = 5
£450 ÷ 5 = £90
2 x £90 = £180
3 x £90 = £270
3
Q
Jack and Jill split their wages in the ratio 4:5, with Jack getting the smaller share. If Jill gets £30, how much does Jack get?
A
Jack: Jill
4:5
£30 ÷ 5 = £6,
So, Jack gets 4 x £6 = £24
4
Q
If 30 books cost £24.
How much do 4 books cost?
A
£24.00 ÷ 30 = £0.80
£0.08 x 4 = £3.20