Mathematics, 06.12.2019 02:31 marcusajns

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.

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