huntmathematics huntmathematics

13-04-2017
Mathematics

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if food for 5 people lasts 32 days food for 8 people lasts

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Luv2Teach Luv2Teach

13-04-2017

Do this as a ratio with people on top and days on bottom: 5/32 = 8/x. Now solve for x by cross-multiplying to get 5x = 256, and x = 51.2 days

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