twoguns243 twoguns243

31-01-2018
Mathematics

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if 150 empty water bottles weigh 4.5 pounds what do you expect 90 water empty bottles to weigh?

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rjschneid19 rjschneid19

31-01-2018

it's 2.7 pounds because I set up a proportion of 150 over 90 = 4.5 over X and multiplied 90 * 4.5 divided by 150

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normalcoat normalcoat

31-01-2018

2.7 pounds. I did 150x=4.5, and found that x=.03. Then, you just multiply it by 90 to find the weight.

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