Problem

Postage rates for express mail are given in the following table. WeightRateUp to 8 o...

Postage rates for express mail are given in the following table.

Weight

Rate

Up to 8 ounces

$13.65

Over 8 ounces up to 2 pounds

$17.85

Up to 3 pounds

$21.05

Up to 4 pounds

$24.20

Up to 5 pounds

$27.30

Up to 6 pounds

$30.40

a. Determine the postage for an express mail package weighing 5 ounces.


b. Determine the postage for an express mail package weighing 2 pounds.


c. Determine the postage for an express mail package weighing 3.8 pounds.


d. Write a function that describes express mail rates based on weight.

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