document.write( "Question 1139137: 16 coins in his pocket. He has both dimes and quarters. If he has $2.20 in his pocket, how many of each coin does he have? \n" ); document.write( "

Algebra.Com's Answer #756907 by josmiceli(19441) $\"\"$ $\"About$

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(1) $\"+d+%2B+q+=+16+\"$
\n" ); document.write( "(2) $\"+10d+%2B+25q+=+220+\"$ ( in cents )
\n" ); document.write( "-------------------------------------------
\n" ); document.write( "(2) $\"+2d+%2B+5q+=+44+\"$
\n" ); document.write( "(1) $\"+-2d+-+2q+=+-32+\"$
\n" ); document.write( "-------------------------------
\n" ); document.write( " $\"+3q+=+12+\"$
\n" ); document.write( " $\"+q+=+4+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+d+%2B+4+=+16+\"$
\n" ); document.write( "(1) $\"+d+=+12+\"$
\n" ); document.write( "------------------------
\n" ); document.write( "12 dimes and 4 quarters
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+10%2A12+%2B+25%2A4+=+220+\"$
\n" ); document.write( "(2) $\"+120+%2B+100+=+220+\"$
\n" ); document.write( "(2) $\"+220+=+220+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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