Question

2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

A. 2 hours and 24 minutes
B. 3 hours and 12 minutes
C. 3 hours and 44 minutes
D. 4 hours and 10 minutes
E. 4 hours and 33 minutes

Answer 1

1/t = 1/4 + 1/6
Can you continue?

Answer 2

can you show me how you got your answer

Answer 3

can you show me how you got your answer

Answer 4

that is where i am stuck on

Answer 5

The common denom is 12t

Answer 6

3/12+2/12=5/12

Answer 7

then what do you do?

Answer 8

The common denom is 12t, you missed t !

Answer 9

?

Answer 10

How can you solve for t, without t in your equation???

Answer 11

5/12

Answer 12

then whatis next? plz?

Answer 13

1/t = 1/4 + 1/6
12 = 3t + 2t
-> t = 12/5 hr = 2.4 hrs = 2hr 24'

Answer 14

wait how did you get 12 = 3t + 2t or step 2?

Answer 15

1/t = 1/4 + 1/6
12* 1/12 = 3t* 1/12 + 2t * 1 / 12

Answer 16

can you show me the steps