February 21, 2017

Homework Help: statistics

Posted by Anonymous on Monday, November 21, 2011 at 8:54pm.

Mary has already spent 1 minute on the phone, and she expects to spend 4 more minutes with every phone call she routes. In all, how many phone calls does Mary have to route to spend a total of 5 minutes on the phone? Write and solve an equation to find the answer.

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