document.write( "Question 271641: Liz received change of $1.15 in nickels and dimes at the supermarket. The cashier gave her back 20 coins. How many of each kind of coin did she received? \n" ); document.write( "
Algebra.Com's Answer #198820 by mananth(16946)\"\" \"About 
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Liz received change of $1.15 in nickels and dimes at the supermarket. The cashier gave her back 20 coins. How many of each kind of coin did she received?\r
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\n" ); document.write( "\n" ); document.write( "Let the number of nickel coins be x\r
\n" ); document.write( "\n" ); document.write( "Then the number of dimes will be 20-x\r
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\n" ); document.write( "\n" ); document.write( "The value of nickesl will be 5x cents\r
\n" ); document.write( "\n" ); document.write( "The value of dimes will be 10(20-x) cents\r
\n" ); document.write( "\n" ); document.write( "5x+10(20-x) = 115 cents\r
\n" ); document.write( "\n" ); document.write( "5x+200 - 10x = 115\r
\n" ); document.write( "\n" ); document.write( "-5x = 115-200\r
\n" ); document.write( "\n" ); document.write( "-5x= -85\r
\n" ); document.write( "\n" ); document.write( "x= -85/-5\r
\n" ); document.write( "\n" ); document.write( "x= 17 = number of nickels.\r
\n" ); document.write( "\n" ); document.write( "Dimes will be 3 numbers\r
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\n" ); document.write( "\n" ); document.write( "confirmation\r
\n" ); document.write( "\n" ); document.write( "3*10 + 17*5 = 115\r
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