Question

Josh can split a truckload of logs in 8 hours, but working with his dad, they can get it done in 3 hours. How long would it take josh's dad working alone to split the logs?

Answer 1

4 hours 48 min

Explanation:

Answer 2

Answer: 4.8 hrs

Explanation:

Josh:
`(1)/(8)`

Dad:
`(1)/(x)`

Together:
`(1)/(3)`

Josh + Dad = Together

`(1)/(8)` +
`(1)/(x)` =
`(1)/(3)`

`(1)/(8)*(24x)` +
`(1)/(x)*(24x)` =
`(1)/(3)`(24x)

3x + 24 = 8x

-3x -3x

24 = 5x

÷5 ÷5

4.8 = x