document.write( "Question 611169: Ken has $8.40 in nickels, dimes, and quarters. He has the same number of each coin. How many of each coin does he have? \n" ); document.write( "

Algebra.Com's Answer #384854 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = number of dimes
\n" ); document.write( "Let $\"+x+\"$ = number of nickels
\n" ); document.write( "Let $\"+x+\"$ = number of quarters
\n" ); document.write( "given:
\n" ); document.write( " $\"+840+=+5x+%2B+10x+%2B+25x+\"$ ( in cents )
\n" ); document.write( " $\"+840+=+40x+\"$
\n" ); document.write( " $\"+x+=+21+\"$
\n" ); document.write( "He has 21 of each kind of coin \n" ); document.write( "

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