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From one longer board, Mark makes 4 boards that are each 1  ft. long and 2 boards that are  ft. long. What is the minimum length the original boar

 Dec 11, 2014
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As decimals: 1 1/4 = 1.25  and 7/8 = 0.875

4(1.25) + 2(0.875)  =  5.00 + 1.75  =  6.75 feet long

So, the board must be at least 6.75 feet long.

 Dec 11, 2014

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