document.write( "Question 696369: \r
\n" ); document.write( "\n" ); document.write( "M&M's sell for $6 a pound. Skittles are $3 a pound. How many pounds of M&M's should be mixed with 12 pounds of skittles to get a mixture selling for $4.20 a pound?
\n" ); document.write( "

Algebra.Com's Answer #429168 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
6M+3*12=4.20(12+M)
\n" ); document.write( "6M+36=50.4+4.20M
\n" ); document.write( "6M-4.2M=50.4-36
\n" ); document.write( "1.8M=14.4
\n" ); document.write( "M=14.4/1.8
\n" ); document.write( "M=8 POUNDS OF M&M IS USED.
\n" ); document.write( "PROOF:
\n" ); document.write( "6*8+3*12=4.20(12+8)
\n" ); document.write( "48+36=4.20*20
\n" ); document.write( "84=84
\n" ); document.write( "
\n" ); document.write( "
\n" );