SOLUTION: Wireless phone company A charges $20 per month plus $0.12 per minute. Wireless phone company B charges $50 per month plus $0.06 per minute. For how many minutes of calls will the m
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Question 188979: Wireless phone company A charges $20 per month plus $0.12 per minute. Wireless phone company B charges $50 per month plus $0.06 per minute. For how many minutes of calls will the monthly bills be the same?
A)80 minutes
B)100 minutes
C)160 minutes
D)250 minutes
E)500 minutes
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
let x be the number of minutes
:
20+.12x=50+.06x
:
.06x=30
:
x=500 minutes
:
answer is E
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