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A section of a boardwalk is made using 15 boards. Each board is 9 1/4 inches wide. The total width of the section is 144 inches...Asked by robin
A section of a boardwalk is made using 15 boards. Each board is 9.25 inches wide. The total width of the section is 144 inches. The spacing between each board is equal. What is the width of the spacing between each board?
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Answered by
oobleck
15 boards means 14 spaces between. So, if each space is x, we have
15*9.25 + 14x = 144
15*9.25 + 14x = 144
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