SOLUTION: Brandon pays $4.95 a month for a long distance telephone service that offers a flat rate on 7 cents per minute. One month his total long distance bill was $10.69. How many minutes

Question 41463: Brandon pays $4.95 a month for a long distance telephone service that offers a flat rate on 7 cents per minute. One month his total long distance bill was $10.69. How many minutes of long distance telephone calls were made that month?
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
This problem involves a linear equation. The telephone bill increases with the number of minutes used in a linear fashion.
The format is y = mx + b
y = the total bill
m = the cost per minute
x = the number of minutes
b = the flat rate
Putting it all together:
10.69 = .07x + 4.95
Solving for x:
10.69 - 4.95 = .07x
5.74 = .07x
5.74/.07 = .07x/.07
x = 82 minutes
Check you answer by plugging 82 minutes back into the equation.

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