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A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 55 pounds each, and the small boxes weigh 35 pounds each. There are 125 boxes in all. If the truck is carrying a total of 4950 pounds in boxes, how many of each type of box is it carrying?

 Feb 17, 2020
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Let L be the number of large boxes and S be the number of small boxes. We can write a system of equations to solve this problem:

 

L + S = 125

55L + 35S = 4950

 

Multiply the first equation by 55 so we can eliminate L:

 

55L + 55S = 6875

55L + 35S = 4950

---------------------------------------- (subtraction)

20S = 1925

S = 96.25

L = 125 - 96.25 = 28.75

 

I solved the problem exactly how it was supposed to, but the answers aren't integers, which doesn't make sense.

 Jan 30, 2022

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