SOLUTION: Two cartons weigh 3x-2 and 2x-3. If the average weight of the cartons is 10, the heavier carton weighs how much more than the lighter carton?
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Question 732465: Two cartons weigh 3x-2 and 2x-3. If the average weight of the cartons is 10, the heavier carton weighs how much more than the lighter carton?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
3x-2 and 2x-3
(3x-2+2x-3)/2=10
(5x-5)/2=10
5x-5=2*10
5x-5=20
5x=20+5
5x=25
x=25/5
x=5 ans.
Proof:
(3*5-2+2*5-3)/2=10
(15-2+10-3)/2=10
20/2=10
10=10
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