document.write( "Question 591317: Romeo bought a mixture of $0.25 , $0.50 and $0.75 valentines. The number of $0.25 valentines are three more then twice the number of $0.50 valentines. The number of $0.75 valentines was one less than the number of $0.50 ones. If he spent $5.25 all together how many of each kind did he buy? I need to solve this using letting x represent one number and y represent another. \n" ); document.write( "
Algebra.Com's Answer #375590 by richwmiller(17219)\"\" \"About 
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.25x+.50y+.75z=5.25;
\n" ); document.write( "x=3+2y;
\n" ); document.write( "z=y-1
\n" ); document.write( "x=9
\n" ); document.write( "y=3
\n" ); document.write( "z=2
\n" ); document.write( "check
\n" ); document.write( ".25*(9)+.50*3+.75*2=5.25
\n" ); document.write( "2.25+1.50+1.50=5.25
\n" ); document.write( "5.25=5.25
\n" ); document.write( "ok
\n" ); document.write( "
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