A shipping company charges a flat rate of $7 for packages weighing five pounds or less, $15 for packages weighing more than five pounds but less than ten pounds, and $22 for packages weighing more than ten pounds. During one hour, the company had 13 packages that totaled $168. The number of packages weighing five pounds or less was three more than those weighing more than ten pounds. The system of equations below represents the situation.

s+m+l=13

7s+15m+22l=168

s-l=3

Which matrix can be used to show the number of packages in the different weight classes during that hour?

Question

19 May, 16:30

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Damarion Ramos · Answer 1

Sorry don't fully trust my answer because I'm not in high school yet but I think it is the second one 7s+15m+22=168