Acme Phone Card charges $0.10 a minute for each call. Reliable Phone Card charges $0.20 for each call made plus $0.05 a minute. This can be represented by the system of equations shown below, where y is the total cost of the call and x is the length of the call in minutes.
y = 0.1x
y=0.05x+0.2
For what length of the total charges would be the same when using the Acme Phone or the Reliable phone card?
A. 1 1/3 minutes
B. 2 1/2 minutes
C. 3 minutes
D. 4 minutes
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