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miskamm [114]
2 years ago
5

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?
Mathematics
1 answer:
grin007 [14]2 years ago
3 0

Answer: 4.8 hrs

<u>Step-by-step explanation:</u>

Josh: \frac{1}{8}

Dad: \frac{1}{x}

Together: \frac{1}{3}

Josh + Dad = Together

\frac{1}{8} + \frac{1}{x} = \frac{1}{3}

\frac{1}{8}*(24x) + \frac{1}{x}*(24x) = \frac{1}{3}(24x)

 3x + 24 = 8x

<u> -3x         </u>  <u> -3x </u>

         24 = 5x

       <u> ÷5  </u>   <u>÷5  </u>

        4.8 = x

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