153k views
4 votes
Liam is a tyre fitter.

It takes him 56 minutes to fit 4 tyres to a van.

a) How long would it take him to fit 12 tyres to three vans?
b) If he works for 42 minutes, how many tyres can he fit?

User Matt Kemp
by
2.7k points

2 Answers

6 votes

Answer:

a) 168 minutes

b) 3 tyres

Explanation:

a) 56:4

x :12

4x=672

x=672/4

=168

b) 56:4

42:x

168=56x

x=168/56

x=3

User Virani Vivek
by
3.8k points
5 votes

Answer:

a) 168 mins

b) 3 tyres

Explanation:

a) 56 mins= 1 van

168 mins= 3 vans

b) 56/4= 14

42/14=3

3 tyres

User Luchxo
by
3.4k points