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Mathematics 24 Online
OpenStudy (anonymous):

a long distance telephone call using down east calling costs 25 cents for the first minute and 16 cents for each additional minute. The same call, placed on long call system, costs 20 cents for the first minute and 18 cents for each additional minute. For what lenght phone calls is down east calling more expensive?

OpenStudy (anonymous):

i did that and the answer was less than 3 and 1/2 minutes, but i got 2 and 1/2

OpenStudy (anonymous):

idk if your frozen or what because of this site so ill close out but tell me why i am wrong and i'll get back to you. In the mean time i have to post another question.

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