Phone Company 1 charges a flat rate of $25.00 a month for local calling,
and $0.05 per minute for each long distance call. Phone Company 2
charges a flat rate of $20.00 a month for local calling, and $0.10 per
minute for long distance calling. After how many minutes of long distance
calling do the phone companies charge an equal amount?
A 50 minutes
B. 100 minutes
C. 200 minutes
D. 300 minutes