document.write( "Question 860644: Loudon County Phone Company charges a $100 activation fee plus a monthly fee of $0.05 per minute for every minute over 200 minutes each month. (So, there is no monthly charge for 0 – 200 minutes of use per month).\r
\n" ); document.write( "\n" ); document.write( "(a) Write an equation that can be used to determine a new subscriber’s first month’s phone bill, B(x), given the amount of minutes called, x. (Assume that the subscriber will make over 200 minutes of calls)\r
\n" ); document.write( "\n" ); document.write( "(b) Determine the subscriber’s first month’s bill if the total minutes used was 650. Show work.\r
\n" ); document.write( "\n" ); document.write( "(c) Determine the number of minutes used if the new subscriber’s first month bill was $114. Show work.
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Algebra.Com's Answer #518575 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "B(x) = .05x + $90    |Note: $100 -$10(free minutes)= $90
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document.write( "B(650) = .05*650 + 90\r
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document.write( " $114 = .05x + 90
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document.write( "  24 = .05x
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document.write( "  480min = x \n" );
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