document.write( "Question 176674This question is from textbook
\n" ); document.write( ": An operator assisted call to another country costs $5.84 for 10 minutes. The same call dialed directly costs $0.39 for the first minute and $0.25 for each additional minute. How much money is saved on a 10 minute call by dialing directly? \n" ); document.write( "

Algebra.Com's Answer #131733 by josmiceli(19441) $\"\"$ $\"About$

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The equation for direct-dial call is:
\n" ); document.write( " $\"t\"$ = time in minutes for call
\n" ); document.write( " $\"c\"$ = cost of call
\n" ); document.write( " $\"c+=+.39+%2B+.25%2A%28t+-+1%29\"$
\n" ); document.write( "given:
\n" ); document.write( " $\"t+=+10\"$
\n" ); document.write( "An operator assisted call to another country costs $5.84
\n" ); document.write( "for $\"10\"$ min
\n" ); document.write( "------------
\n" ); document.write( " $\"c+=+.39+%2B+.25%2A%28t+-+1%29\"$
\n" ); document.write( " $\"c+=+.39+%2B+.25%2A%2810+-+1%29\"$
\n" ); document.write( " $\"c+=+.39+%2B+2.5+-+.25\"$
\n" ); document.write( " $\"c+=+.39+%2B+2.25\"$
\n" ); document.write( " $\"c+=+2.64\"$
\n" ); document.write( " $\"5.84+-+2.64+=+3.20\"$
\n" ); document.write( "The savings is $3.20 \n" ); document.write( "

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