Question

Solve.

Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 4 hours. How long will it take them to do
the job if they work together?

Answer 1

1 3/8 hours

Explanation:

Answer 2

3.5 hours

Explanation:

all u have to do is add 3+4=7 then 7 divided by 2 which equals 3.5