20 POINT QUESTION - PLEASE HELP!

Mathematics

1 answer:

mash [69]3 years ago

5 0

After 100 more minutes, the rate has gone from 30 to 80, increasing by 50. 100 divided by 50 is 2 so for every 2 minutes she is charged one dollar, but per minute the rate is 50 cents per minute. Hope this helps :)

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