Question

30 men can complete a job in 12 days if each man works 8 hours a day. if the job is to be completed with 24 men working at the same rate, how many hours must they work in a day

Answer 1

15

Explanation:

→ Write the ratio of men to days to hours

30 : 12 : 8

→ Write the new proportion

24 : x : 8

→ Find the multiple between 30 and 24

1.25

→ Multiply by 12

12 × 1.25 = 15