document.write( "Question 374520: sally has $1.50 worth of change in her pocket-all nickels and dimes. she has three times as many nickels as dimes. find the number of each. \n" ); document.write( "
Algebra.Com's Answer #266416 by checkley79(3341)\"\" \"About 
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.05N+.10D=1.50
\n" ); document.write( "N=3D
\n" ); document.write( ".05*3D+.10N=1.50
\n" ); document.write( ".15D+.10D=1.50
\n" ); document.write( ".25D=1.50
\n" ); document.write( "D=1.50/.25
\n" ); document.write( "D=6 DIMES.
\n" ); document.write( "N=3*6=18 NICKELS.
\n" ); document.write( "PROOF:
\n" ); document.write( ".05*18+.10*6=1.50
\n" ); document.write( ".90+.60=1.50
\n" ); document.write( "1.50=1.50
\n" ); document.write( "
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