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Sandy is working with a carpenter to frame a house. They are using 8 foot long boards but each board must be cut to be 7 feet, 10 3/4 inches long. How much is cut off each board?

User Conrod
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1 Answer

3 votes
The answer is 5/4 in

The initial length:
1 ft = 12 in
8 ft = 8 * 12 in
= 96 in

The final length:
7 ft 10 3/4 in = 7 ft + 10 in + 3/4 in
= 7 * 12 in + 10 in + 3/4 in
= 84 in + 10 in + 3/4 in
= 94 in + 3/4 in

The cut if the initial length - final length:
96 in - 94 in - 3/4 in = 2 in - 3/4 in = 8/4 in - 3/4 in = 5/4 in
User Ana Liza Pandac
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