document.write( "Question 1030785: a coffee company wants a new flavor of cajan coffee. How many pounds of coffee worth $7 a pound should be added to 30 pounds of coffee worth $3 a pound to get a mixture worth $5 a pound \n" ); document.write( "
Algebra.Com's Answer #645579 by mananth(16946)![]() ![]() You can put this solution on YOUR website! ---------- dollars ---------------- quantity \n" ); document.write( "Coffee A 3 ---------------- 30 pounds \n" ); document.write( "Coffee B 7 ---------------- x pounds \n" ); document.write( "Mixture 5 ---------------- 30 + x pounds \n" ); document.write( " \n" ); document.write( "3 * 30 + 7 x = 5 ( 30 + x ) \n" ); document.write( "90 + 7 x = 150 + 5 x \n" ); document.write( "7 x -5 x = -90 + 150 \n" ); document.write( "2 x = 60 \n" ); document.write( "/ 2 \n" ); document.write( "x = 30 pounds Coffee B \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |