yusrijammang yusrijammang

04-07-2016
Mathematics

contestada

the phone company charges $15.00 per month for a local line plus $0.06 per call.how many calls were made if the bill was $22.50? note: use a variable to solve story problems

Respuesta :

texaschic101 texaschic101

04-07-2016

15 + 0.06c = 22.50
0.06c = 22.50 - 15
0.06c = 7.50
c = 7.50/0.06
c = 125 calls were made

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