document.write( "Question 158236This question is from textbook Intermediate Algebra for College Students
\n" ); document.write( ": (Book asks first to setup an inequality that can be used to solve the problem, then solve it to find the desired value)\r
\n" ); document.write( "\n" ); document.write( "Long Distance: The telephone long-distance carrier Telecom-USA, which markets itself as 10-10-220, charges customers $0.99 for the first 20 minutes and then $0.07 for each minute (or any part thereof) beyond 20 minutes. If Patricia Lanz uses this carrier, how long can she talk for $5.00?
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Algebra.Com's Answer #116600 by checkley77(12844)\"\" \"About 
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.99+X*.07=5
\n" ); document.write( ".99+.07X=5
\n" ); document.write( ".07X=5-.99
\n" ); document.write( ".07X=4.01
\n" ); document.write( "X=4.01/.07
\n" ); document.write( "X=57.3
\n" ); document.write( "57+20= 77 MINUTES IS THE MAXIMUM MINUTES SHE CAN USE FOR $5.00.
\n" ); document.write( "PROOF
\n" ); document.write( ".99+.07*57<5
\n" ); document.write( ".99+3.99<5
\n" ); document.write( "4.98<5
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