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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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2 votes
If 150 empty water bottles weigh 4.5 pounds what do you expect 90 water empty bottles to weigh?

User Amber Shah
by
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2 Answers

6 votes
2.7 pounds. I did 150x=4.5, and found that x=.03. Then, you just multiply it by 90 to find the weight.
User Sandhurst
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5.9k points
3 votes
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
User Looki
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