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22-04-2017
Mathematics

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20 POINT QUESTION - PLEASE HELP!
What is the cost per minute after Corrine uses her monthly allowance of 200 minutes? Show or explain your work.

20 POINT QUESTION PLEASE HELP What is the cost per minute after Corrine uses her monthly allowance of 200 minutes Show or explain your work class=

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22-04-2017

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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