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? (
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):