document.write( "Question 642011: A man has 19 coins in his pocket, all of which are dimes and quarters. If the total value of his change is $ 3.25, how many dimes and how many quarters does he have? \n" ); document.write( "

Algebra.Com's Answer #403930 by josmiceli(19441) $\"\"$ $\"About$

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he has $\"+x+\"$ dimes and $\"+19+-+x+\"$ quarters
\n" ); document.write( "given:
\n" ); document.write( " $\"+10x+%2B+25%2A%28+19-x+%29++=+325+\"$ ( in cents )
\n" ); document.write( " $\"+10x+%2B+475+-+25x+=+325+\"$
\n" ); document.write( " $\"+-15x+=+325+-+475+\"$
\n" ); document.write( " $\"+-15x+=+-150+\"$
\n" ); document.write( " $\"+x+=+10+\"$
\n" ); document.write( " $\"+19+-+x+=+19+-+10+\"$
\n" ); document.write( " $\"+19+-+x+=+9+\"$
\n" ); document.write( "He has 10 dimes and 9 quarters
\n" ); document.write( "check:
\n" ); document.write( " $\"+10%2A10+%2B+25%2A%28+19-10+%29++=+325+\"$
\n" ); document.write( " $\"+100+%2B+25%2A9+=+325+\"$
\n" ); document.write( " $\"+100+%2B+225+=+325+\"$
\n" ); document.write( " $\"+325+=+325+\"$
\n" ); document.write( "OK \n" ); document.write( "

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