Andre is running in an 80-meter hurdle race. There are 8 equally-spaced hurdles on the race track. The first hurdle is 12 meters from the start line and the last
hurdle is 15.5 meters from the finish line.

Please Help!

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

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note: the best i know.

this is answer of 144 cubic meters