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svet-max [94.6K]
3 years ago
11

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 wei

ghing 3 pounds and 5 pounds, respectively can be mailed seperately or combined as one package. Which method is cheaper and how much money is saved?A. Combined, with a saving of x-y centsB. Combined, with a saving of y-x centsC. Combined, with a saving of x centsD. Separately, with a saving of x-y centsE. Separately, with a saving of y cents
Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

Option A) Combined, with a saving of x-y cents      

Step-by-step explanation:

We are given the following in the question:

The rate to mail a package is x cents for first pound and y cents for each additional pound.

x>y

Weights of packages =

3 pounds and 5 pounds

Cost of combined package:

Total weight = 8 pounds

C\text{(combined)} = x + 7y

Cost of sending separately:

C\text{(separated)} = (x + 2y) + (x + 4y) = 2x + 6y

Difference between cost of sending the packages separately and combined

C\text{(separated)}-C\text{(combined)} \\=2x + 6y-(x+7y)\\=(x-y)\text{ cents}

Thus, sending the packages combined is a cheaper method with a saving of (x-y) cents

Thus, the correct answer is:

Option A) Combined, with a saving of (x-y) cents

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