25sophiaespinozasern 25sophiaespinozasern

15-10-2021
Mathematics

contestada

A ramp has an efficiency of 75%. If 300J of work are used to push someone up the ramp, how much work would have been used to lift them instead?

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federicarossi596 federicarossi596

15-10-2021

Step-by-step explanation:

75:100=x:300

x=75×300/100=225

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