At the post office, Karen mails three packages that weigh 7.2, 7.5, and 7.9 pounds. The post office that Karen

uses rounds the weight of a package to the nearest pound to determine the price of shipment. It costs $3 to

mail a package that weighs 7 pounds and $3.75 for packages that weigh 8 pounds.

(a) How much did Karen pay to ship each package?

(b) Karen has $10.25 in her wallet in cash. Use subtraction to determine whether Karen has enough to

mail the three packages and how much extra money she has or needs.

Question

11 November, 12:20

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Answers (1)

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Azaria Moses · Answer 1

Rounding

7.2 to 7

7.5 to 8

7.9 to 8

7 and 8 and 8

3+3.75+3.75=10.50

she has 10.25

10.25-10.50=-0.25

she is 0.25 short