Question

Mr. Pennington had a board 2 1/4 feet long. He
used 21 inches. How much of the board did he
have left?

Answer 1

Me. Pennington had 6 inches left over.

Explanation.
2 1/4 feet is equal to 27 inches. If he used 21 inches, then he'd had 6 inches left over; 27-21=6.

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