document.write( "Question 130567: A deal has two kinds of mets; one costs 90 cents a pound, the other 60 cents a pound. He wishes to make 50 pounds of a mixture that will cost 72 cents a pound. How many pounds of each kind should he use? \n" ); document.write( "
Algebra.Com's Answer #95367 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
.90X+.60(50-X)=.72*50
\n" ); document.write( ".90X+30-.60X=36
\n" ); document.write( ".30X=36-30
\n" ); document.write( ".30X=6
\n" ); document.write( "X=6/.30
\n" ); document.write( "X=20 AMOUNT OF $.90 MEAT.
\n" ); document.write( "50-20=30 AMOUNR OF $.60 MEAT.
\n" ); document.write( "PROOF:
\n" ); document.write( ".90*20+.60*30=36
\n" ); document.write( "18+18=36
\n" ); document.write( "36=36
\n" ); document.write( "
\n" ); document.write( "
\n" );