Homework Help: math

Posted by Anonymous on Saturday, February 2, 2013 at 1:03pm.

if i have a phone card with 15 doloars on it and it is 7 cent a min i use the ohone once and have a balance of 13.25 how many mins was i on the phone

math - Ms. Sue, Saturday, February 2, 2013 at 1:19pm
15.00 - 13.25 = $1.75

1.75 /0.07 = 25 minutes

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