SOLUTION: Kim switched cell phone plans. She signed up for a new plan that saves her $3.50 per month compared to her old cell plan. The cost of new phone plan for an entire year is $294. How

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Kim switched cell phone plans. She signed up for a new plan that saves her $3.50 per month compared to her old cell plan. The cost of new phone plan for an entire year is $294. How      Log On

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Question 1018888: Kim switched cell phone plans. She signed up for a new plan that saves her $3.50 per month compared to her old cell plan. The cost of new phone plan for an entire year is $294. How much did kim pay per month under her old phone plan
How do I write this in algebra equation
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Name the variables.
O-Old plan cost per month
N-New plan cost per month
So,
N=O-3.50
There are 12 months in one year,
12N=294
So then,
N=294%2F12
N=24.50
Substituting into the equation,
24.50=O-3.50
O=28.00
She paid $28 a month on the old plan.