SOLUTION: If the average weight of three boxes is 3.1 lbs. and two boxes weigh 3.6 lbs. each, what is the weight of the third box?
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Question 941604: If the average weight of three boxes is 3.1 lbs. and two boxes weigh 3.6 lbs. each, what is the weight of the third box?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Total weight = 3(3.1)=9.3 lbs
Two boxes weigh 3.6 each 2(3.6)=7.2 lbs
total weight - weight of two =weight of remaining
9.3 lbs- 7.2 lbs= 2.1 lb weight of third box
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