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A contractor needs to buy nails to build a house. The nails come in small boxes and large boxes. Each small box has 50 nails and each large box has 400 nails. The contractor bought 3 times as many large boxes as small boxes, which altogether had 2500 nails. Determine the number of small boxes purchased and the number of large boxes purchased.

 Mar 16, 2022
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s = small box       # nails =    50s

large box = 3s     #nails  =    400(3s)

toal = 2500

 

50s + 400(3s) = 2500              solve for s     then   large boxes = 3s

 Mar 16, 2022

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