SOLUTION: Need help!! Find out how many calls must be made to make Plan A the better deal. � Plan A: $45 a month for unlimited calling � Plan B: $15 a month plus $0.10 per minute Complete

Question 631873: Need help!! Find out how many calls must be made to make Plan A the better deal.
� Plan A: $45 a month for unlimited calling
� Plan B: $15 a month plus $0.10 per minute
Complete the following steps to solve the above problem:
a. Write the cost equation for Plan A:
b. Write the cost equation for Plan B:
c. Use the equations written in steps a) and b) to show the inequality that models the given conditions. Solve the inequality to find out how many calls must be made to make Plan A the better deal.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
plan a
y=45
plan b
y<.1m+15
45<.1m+15
30<.1m
300 after 300 minutes plan a is cheaper
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