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)\"\" \"About 
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---------- 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
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\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
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\n" ); document.write( "m.ananth@hotmail.ca
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