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A = 3, B = 9, C = 18. A student pulls a (25.0+A) kg box...

A = 3, B = 9, C = 18. A student pulls a (25.0+A) kg box a distance of (4.50 + B) m up a ramp set at 25.8o using a force of (154 + C) N applied parallel to the ramp. Find the efficiency of the ramp. Give your answer in percent (%) and with 3 significant figures.

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