SOLUTION: hello,
phone company A charges $35 per month, plus .25 per minute roaming charges.
phone company B charges $45 per month, plus .05 per minute roaming charges.
when will these pl
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Question 1042061: hello,
phone company A charges $35 per month, plus .25 per minute roaming charges.
phone company B charges $45 per month, plus .05 per minute roaming charges.
when will these plans cost the same?
please show a written equation answer.
thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
phone company A charges $35 per month, plus .25 per minute roaming charges.
A(m) = 35 + 0.25m
--------------------------
phone company B charges $45 per month, plus .05 per minute roaming charges.
B(m) = 45 + 0.05m
-------------------------
when will these plans cost the same?
please show a written equation answer.
Solve:
35+ 0.25m = 45+ 0.05m
-----
10 = 0.2m
m = 100/2
# of minutes = 50
-----
Cost is the same when the calling time is 50 minutes.
Cheers,
Stan H.
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