Mathematics, 18.02.2021 19:20 gabbiej

Sharon can put up the fence in 7 hours Mary can put up the same fence in 6 hours.
The equation 1/7 + 1/6 = 1/x can be used for the
calculation of x, the time that it would take to put up the
fence if they were working on it together.
To eliminate the denominators, I multiply everything by
___X.
(I included the x; you do NOT include the x in your answer.

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Sharon can put up the fence in 7 hours Mary can put up the same fence in 6 hours.
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