document.write( "Question 101111: crystal sells coffee. her special blend is a combination of french roast @ $7.50 a lb. and kona deluxe @ $11.50 a lb. how many pounds of kona should she mix with 12 lbs. of french roast to get a blend to be sold for $10.00 a lb.? \n" ); document.write( "
Algebra.Com's Answer #73604 by checkley71(8403)\"\" \"About 
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7.5*12+11.5X=10(12+X)
\n" ); document.write( "90+11.5X=120+10X
\n" ); document.write( "11.5X-10X=120-90
\n" ); document.write( "1.5X=30
\n" ); document.write( "X=30/1.5
\n" ); document.write( "X=20 LBS OF KONA IS NEEDED.
\n" ); document.write( "PROOF
\n" ); document.write( "7.5*12+11.5*20=10(12+20)
\n" ); document.write( "90+230=10(32)
\n" ); document.write( "320=320
\n" ); document.write( "
\n" );