One cell phone plan charges $20 per month plus $0.15 per minute used. A second cell phone plan charges $35 per month plus $0.10 per minute used. Write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.
Accepted Solution
A:
Both of these equations are linear, so you have to write equations in the y=my+b format. And then you have to set the equations to equal each other to find x