SOLUTION: 1. Andrew buys a 50$ phone card. He is charged $.25 per minute for the calls that he makes .
A. What' equation gives the balance left (b) on card after talking for (m) minutes.
Question 991401: 1. Andrew buys a 50$ phone card. He is charged $.25 per minute for the calls that he makes .
A. What' equation gives the balance left (b) on card after talking for (m) minutes.