Answer:
12 inches
Step-by-step explanation:
15 - 3 = 12
The board is 12 inches long.
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A measuring tape is like a number line. To find the distance between two numbers on the number line, you subtract the smaller one from the larger one. The tape measure works the same way. Subtract the number at one end of the board from the number at the other end of the board to find the length of the board.
