The dimensions of a certain machine are 48" X 30" X 52". If the size of the machine is increased proportionately until the sum of its dimensions equals 156", what will be the increase in the shortest side?

6"

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김동찬

  • Oct 29th, 2005
 

48+30+52=130, then 156-130=26

the "proportionately" in the shortest side means 30/130*26=6"

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