3 men and 5 boys can complete a task in 15 days; whereas 6 men and 7 boys can complete the same task in 9 days. Find the relationship between the task done by the boys and the task done by the men.

A

The work of 4 boys is equivalent to the work of 3 men

B

The work of 6 boys is equivalent to the work of 2 men

C

The work of 3 boys is equivalent to the work of 4 men

D

The work of 7 boys is equivalent to the work of 3 men