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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Split £450 in the ratio 2:3

A

2 + 3 = 5
£450 ÷ 5 = £90
2 x £90 = £180
3 x £90 = £270

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly