Answer:
Let x = the number of minutes of calls
For Plan 1, we know that the monthly charge is 8 + 0.18x
For Plan 2, the monthly charge is 23 + 0.14x
To determine when the cost of the two plans will be equal, we set up the following equation:
8 + 0.18x = 23 + 0.14x
Can you solve for x, Alyssa?
Explanation: