A cellphone service provider charges $5.00 per month and $0.20 per minute per call.If a customer's current bill is $55,how many minutes did the customer use? (Round any intermediate calculations and your final answer to the nearest whole minute.)

Question

Quizplus · Accepted Answer

Let the number of minutes used be x. 
Then, the total bill would be:
$5.00 (monthly fee) + $0.20x (per minute charge) = $55.00 
Simplifying the equation, 
$0.20x = $50.00 
x = 250 minutes (rounded to the nearest whole minute) 
Therefore, the customer used 250 minutes.

A Cellphone Service Provider Charges $5