document.write( "Question 750773: Suppose Tom has 26 coins totaling $4.40. If he has only dimes and quarters, how many of each type does he have? \n" ); document.write( "
Algebra.Com's Answer #456791 by Cromlix(4381)\"\" \"About 
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x = dimes and y = quarters
\n" ); document.write( "Form two equations relating:
\n" ); document.write( "1) The number of coins
\n" ); document.write( "2) the value of the coins\r
\n" ); document.write( "\n" ); document.write( " x + y = 26 ....1
\n" ); document.write( "10x + 25y = 440....2\r
\n" ); document.write( "\n" ); document.write( "Multiply (1) by 25\r
\n" ); document.write( "\n" ); document.write( "25x + 25y = 650
\n" ); document.write( "10x + 25y = 440\r
\n" ); document.write( "\n" ); document.write( "Subtract\r
\n" ); document.write( "\n" ); document.write( "15x = 210
\n" ); document.write( " x = 14\r
\n" ); document.write( "\n" ); document.write( "Substitute x = 14 into Equation 1\r
\n" ); document.write( "\n" ); document.write( " x + y = 26
\n" ); document.write( " 14 + y = 26
\n" ); document.write( " y = 26 -14
\n" ); document.write( " y = 12\r
\n" ); document.write( "\n" ); document.write( "So you have 14 dimes and 12 quarters
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