To mail a package, the rate is x cents for the first pound and y cents for each additional pound, where x>y. two packages weighing 3 pounds and 5 pounds, respectively, can be mailed separately or combined as one package. which method is cheaper, and how much money is saved?

Question

Markus

Mathematics

4 June, 06:55

To mail a package, the rate is x cents for the first pound and y cents for each additional pound, where x>y. two packages weighing 3 pounds and 5 pounds, respectively, can be mailed separately or combined as one package. which method is cheaper, and how much money is saved?

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Answers (1)

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Walter Leonard · Answer 1

The two packages mailed together is cheaper.

If seperately:

3 pounds package = $ (x+2y)

5 pounds package = $ (x+4y)

If combined:

3+5=8 pounds

= $ (x+7y)

amount of money saved=$[ (x+2y) + (x+4y) ]-$ (x+7y)