Question

Algebra 2 help! Will medal and fan

Answer 1

Let x be the number of hours it takes B alone to install the pump .
And we have that it takes A 20 hours alone to install the pump et it takes A and B together 12 hours.
So you should have :
\[\frac{1}{20}+\frac1x=\frac{1}{12}\]

Answer 2

Ok. So, solve for x?

Answer 3

So, 30?

Answer 4

Yes

Answer 5

Thanks

Answer 6

You are welcome ! :D

Answer 7

Do you mind helping with a couple more? I know the rest.

Answer 8

I know it isn't B because this has a restricted domain, which is 0.

Answer 9

D?

Answer 10

D?

Answer 11

D