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Marco and Drew stacked boxes on a shelf. Marco lifted 9 boxes of equal weight. Drew lifted 14 boxes, but Drew's boxes of equal weight, but Drew's boxes each weighed 8 lb less than Nathan's boxes.

Together, they lifted a total of 233 pounds.

What was the weight of one of Marco's boxes?


5 lb

8 lb

10 lb

15 lb


Sagot :

Answer:

Marco's boxes weigh 15 lbs.

Step-by-step explanation:

9x + 14(x - 8) = 233

9x + 14x - 112 = 233

23x = 345

x = 15