United Telephone charges a base rate of $8.00 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?  Select
A) 25 minutes B) 10 minutes C) 20 minutes D) 80 minutes E) 60 minutes
Lets take number of minutesx.   Given that, 8+0.25x=12+0.2x -&gt;0.05x=2 -&gt; x=80minutes   ANS 80 minutes
<result>D</result>
United Telephone charges a base rate of $8.00 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?