Pamela can mow her lawn in 30 minutes. Kathy can do the same job in 60 minutes. How long would it take them to mow the lawn if they work together?

Question

asked Sep 8, 2020 45.9k views

2 Answers

Chris Stryczynski · Answer 1 · 2020-09-11T04:38:28+0000

Answer: 45 minutes, because that is the half way point through the two, because one will speed up the other and one with slow down the other.

Explanation:

Brasileric · Answer 2 · 2020-09-15T13:13:34+0000

Answer:

45 minutes

Explanation:

I am assuming you could add the times (60 + 30) and divide it by two because there are two girls (90 / 2) and that would give you the average time.