Question

5 men or 8 boys can harvest the field in 16 days.
a. In how many days can 15 men and 8 boys harvest the field?
b. How many men are needed to complete the work in 10 days?​

Answer 1

Step-by-step explanation:

5M=8B

M:B=8:5

a. 15M+8B=120+40=160

total work=5*M*16=5*8*16

days=5*8*16/160=4

ans: 4 days

b. total work=mens required *days*efficiency

5*8*16=m.r.*10*8

men's required=5*16/10=8 men's

ans:8 men's required