document.write( "Question 835975: a coffee company wants a new flavor of Cajun coffee. How many pounds of coffee worth $7 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?\r
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Algebra.Com's Answer #503905 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 7a+20*4=5*(a+20) \n" ); document.write( "7a+80=5a+100 \n" ); document.write( "2a=20 \n" ); document.write( "a=10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |