You are choosing between two different cell phone plans. The first plan charges a rate of 25 cents per minute. The second plan c
harges a monthly fee of $29.95 in addition to 10 cents per minute. How many minutes would you have to use in a month in order for the second plan to be preferable?
Answer:You would have to use over 200 minutes in a month in order for the second plan to be preferable.
Step-by-step explanation:
Let x represent the number of minutes that you use in a month.
The first plan charges a rate of 25 cents per minute. It means that the cost of using x minutes in a month with this plan is 0.25x.
The second plan charges a monthly fee of $29.95 in addition to 10 cents per minute. It means that the cost of using x minutes in a month with this plan is
29.95 + 0.1x
For the second plan to be preferable, its cost would be lesser than the first plan. Therefore,
