SOLUTION: Cindy's cell phone company charges $0.20 for each minute of a call. If she was charged a total of $14.40 for calls in the month of July, how many minutes had she used the phone tha

Question 156795: Cindy's cell phone company charges $0.20 for each minute of a call. If she was charged a total of $14.40 for calls in the month of July, how many minutes had she used the phone that month?
Found 2 solutions by jojo14344, edjones:
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Remember:
Let , and
, where
Then,

--------------> minutes used that month
*Note: if you multiply by that equals to $14.40.
Thank you,
Jojo
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
14.40/.20=72 min
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