14-05-2024
Mathematics

contestada

Vince loads 10 boxes into his truck. Some of the boxes weigh 20 pounds, and some weigh 30 pounds. The total weight of the boxes is 280 pounds.
If x = the number of 20-pound boxes and y = the number of 30-pound boxes, which
pair of equations will give the number of 20-pound and 30-pound boxes Vince has?

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