SOLUTION: There are 6 boxes --> 3 on the bottom, 2 in the middle, and 1 on the top(pyramid form). The top box weighs 72 lbs and the two middle boxes weigh 90 lbs and 80 lbs. If the weights a

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Question 850488: There are 6 boxes --> 3 on the bottom, 2 in the middle, and 1 on the top(pyramid form). The top box weighs 72 lbs and the two middle boxes weigh 90 lbs and 80 lbs. If the weights are evenly distributed, how many lbs is the bottom middle box supporting?
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Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/3(72+90+80)=80 2/3