Question

It takes you 30 minutes to rake the leaves in your yard and

it takes your brother 45 minutes. How long does it take the two of you to rake
the leaves when working together?

Answer 1

18.75

Explanation:

I'm not exactly sure.

I divided 30 by 2 and 45 by 2 and took both answers and added them together and then took the sum of that and divided it by 2.