United Telephone charges a base rate of $9.00 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 one.
A) 2 minutes  B) 10 minutes  C) 20 minutes  D) 40 minutes  E) 60 minutes
Lets take number of minutesx.   Given that, 9+0.25x=12+0.2x -&gt;0.05x=2 -&gt; x=60minutes   ANS 60 minutes
<result>E</result>
United Telephone charges a base rate of $9.00 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?