Question

A farmer can plow a field in 6 days
using a tractor. His helper can plow
the same field
in 10 days using a small tractor. How
many days will be required for
plowing if they
work together​

Answer 1

Answer:

see example no. 6 from the same chapter dear...

Answer 2

Step-by-step explanation:

time to pow the feild with tractor 6 days

time to pow the feild with small tractor 10 days

a/q to formoula 1/6 + 1/10

4/15 days