Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-600) + 63.95, where it is assumed that t >= 600 minutes. What times will keep costs between $112.95 and $126.45?

OpenStudy (anonymous):

between 796 and 850 minutes

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!