Question

All members of a construction crew work at the same pace. Four of them working together can pour a foundation in 32 hours. How many hours would the job take if the number of workers: increased 4 times

Answer 1

16 hrs

Explanation:

4 of them doing it in 32 hrs is the equivalent to 4/8hrs (32hrs) days 32÷ 4 = 8

8 of them doing it in 16hrs would be the equivalent to 2/8 hrs( 16hrs) days