United Telephone charges a base rate of $11.00 for service, plus an additional charge of $0.25 per minute. Atlantic Call charges a base rate of $12.00 for service, plus an additional charge of $0.20 per minute. For what number of minutes would the bills for each telephone company be the same?
Choose the correct choice from the following answers:
A) 2 minutes	B) 10 minutes	C) 20 minutes	D) 40 minutes	E) 60 minutes
Lets take number of minutesx.   Given that, 11+0.25x=12+0.2x -&gt;0.05x=2 -&gt; x=20minutes   ANS 20 minutes
<result>C</result>
United Telephone charges a base rate of $11.00 for service, plus an additional charge of $0.25 per minute. Atlantic Call charges a base rate of $12.00 for service, plus an additional charge of $0.20 per minute. For what number of minutes would the bills for each telephone company be the same?