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A 40-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 4 times as long as the first piece. What is the length of the first piece?

 Sep 22, 2021
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x= 1st piece

3x = 2nd

4x = 3rd piece        totalled, they equal 40 inches

 

 

x  + 3x   +   4x   = 40

8x= 40

x=5 inches

 Sep 22, 2021

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