Can somebody help me with math problem?

Posted on 2014-12-16 05:54:00 in Math by DENISH

1. Ken mails three packages at the post office that weigh 8.1, 8.5, and 8.9 pounds. The post office that Ken uses rounds the weight of a package to the nearest pound to determine the price of shipment. It costs $2 to mail a package that weighs 8 pounds and $2.75 for packages that weigh 9 pounds.

a. How much did Ken pay to ship each package?

b. Ken has $7.25 in his wallet in cash. Use subtraction to determine whether Ken has enough to mail the three packages and how much extra money he has or needs.

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