Question

john can fix 3 chairs in 12 minutes joe can fix 5 chairs in 20 minutes how many chairs can they fix together in 60 minutes

Answer 1

Answer: 15 chairs they fix together in 60 min.

Explanation:

jhon efficiency =3/12=4

joe efficiency = 5/20 =4

both efficiency =8

there for 2/8*60

=15

Answer 2

Explanation:

In one hour john can fix 15 chairs ( 3 x 5)

in one hour joe can fix 15 chairs (5 x 3)

total = 30 chairs in one hour