document.write( "Question 29517: A long-distance phone company charges $0.50 for the first minute and $0.15 for each additional minute. If Mark budgets $4 to call his sister once a month, how long can they talk? How much will he be charged? \n" ); document.write( "

Algebra.Com's Answer #24155 by Evy(14) $\"\"$ $\"About$

You can put this solution on YOUR website!
Hello, I can help you!
\n" ); document.write( "I will solve this problem by working backwards meaning i will start with the total of $4 and work down.
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\n" ); document.write( "First you should:
\n" ); document.write( "subtract .50 from $4 for the 1st minute of the call.
\n" ); document.write( " $\"4.00-.50=3.50\"$
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\n" ); document.write( "Next step: divide 3.50 by .15
\n" ); document.write( " $\"3.50%2F.15=23.33\"$
\n" ); document.write( "round 23.33 minutes to 23 minutes
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\n" ); document.write( "Now we have 23 minutes at .15(15 cents) and 1 minute at .50(50 cents):
\n" ); document.write( " $\"23%2B1=24\"$
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Mark and his sister can talk for 24 minutes.
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\n" ); document.write( "to find out how much he will get charged simply plug in the numbers:
\n" ); document.write( " $\"1+min%28.50%29%2B+23+min%28.15%29\"$
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\n" ); document.write( "Multiply: Now you have
\n" ); document.write( " $\".50%2B3.45=3.95\"$
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\n" ); document.write( "So Mark will be Charged $3.95.
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\n" ); document.write( "If you have any questions e-mail me at Southqueensb@yahoo.com
\n" ); document.write( "~EVY~ \n" ); document.write( "

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