Question

Hannah can paint a room in 9 hours. Destiny can paint the same room in 15 hours. How long does it take for both Hannah and Destiny to paint the room it they are working together?

Answer 1

6 hourss

Answer 2

15-30-45-60
9-18-27-36-45-43

Answer 3

I put that and nope :(

Answer 4

The th1nker what do you mean???

Answer 5

find a similar awnser in both

Answer 6

in 15, and 9?

Answer 7

15/30/45/60
9/18/27/36/45/53 which too are the same

Answer 8

45

Answer 9

its not going to take 45 hours though

Answer 10

Did it wrong 15+6=21/2 i think is the way you do it

Answer 11

10.5 hours?

Answer 12

Ask in math im not sure