SOLUTION: The cost of mailing a DVD in an envelope by Express Mail is equal to the cost of mailing a DVD in a box by Priority Mail. What is the weight of the DVD with its packing material? (
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Question 1047424: The cost of mailing a DVD in an envelope by Express Mail is equal to the cost of mailing a DVD in a box by Priority Mail. What is the weight of the DVD with its packing material? (envelope is $8.50 per lb and packing material costs $1.10)
(box is $2.50 per lb and packing material costs $2.25)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
8.50x + 1.10 = 2.50x + 2.25
6x = 1.15
x = 1.15/6, weight of DVD
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