Answer:
460 minutes
$87.40
Step-by-step explanation:
Let m = number of minutes.
Plan A:
cost = 0.14m + 23
Plan B:
cost = 0.19m
0.19m = 0.14m + 23
0.05m = 23
m = 460
The two plans cost the same for 460 minutes.
cost = 0.19m
cost = 0.19(460)
cost = 87.4
Their cost is $87.40.
