hilsahoy
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Sally buys 400 feet of fencing to put up a fence around her backyard. If she ends up using 7/8 of it, how much fencing will she have left over?

Answer :

PunIntended

We should start by finding how much she did use:

7/8 * 400 = 350 feet used

To find how much she has left, subtract 350 from 400 to get 50 feet.

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