document.write( "Question 570109: A sum amounting to $3.35 consists of quarters and dimes. If there are 23 coins in all how many are quarters? \n" ); document.write( "
Algebra.Com's Answer #367544 by Maths68(1474)\"\" \"About 
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Total Sum of coins = $3.35
\n" ); document.write( "Total Coins = 23
\n" ); document.write( "Dimes = x
\n" ); document.write( "Quarters = 23-x
\n" ); document.write( "Value of a Dime = $0.1
\n" ); document.write( "Value of a Quarter =$0.25\r
\n" ); document.write( "\n" ); document.write( "(value of a Dime)(Dimes)+(value of a Quarter)(Quarters)=Total Sum of Coins
\n" ); document.write( "(0.1)(x)+(0.25)(23-x)=3.35
\n" ); document.write( "0.1x+5.75-0.25x=3.35
\n" ); document.write( "0.1x-0.25x=3.35-5.75
\n" ); document.write( "-0.15x=-2.4
\n" ); document.write( "-0.15x/-0.15=-2.4/-0.15
\n" ); document.write( "x=16\r
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\n" ); document.write( "\n" ); document.write( "Dimes = x = 16
\n" ); document.write( "Quarters = 23-x = 23-16 = 7\r
\n" ); document.write( "\n" ); document.write( "There are 7 Quarters \r
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\n" ); document.write( "\n" ); document.write( "Check
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\n" ); document.write( "(0.1)(16)+(7)(0.25)=3.35
\n" ); document.write( "1.6+1.75=3.35
\n" ); document.write( "3.35=3.35
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