SOLUTION: A merchant has coffee worth $60 a pound that she wishes to mix with 40 pounds of coffee worth $90 a pound to get a mixture that can be sold for $80 a pound. How many pounds of the

Question 326253: A merchant has coffee worth $60 a pound that she wishes to mix with 40 pounds of coffee worth $90 a pound to get a mixture that can be sold for $80 a pound. How many pounds of the $60 coffee should be used?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
A merchant has coffee worth $60 a pound
mix with 40 pounds of coffee worth $90
can be sold for $80 a pound.
..
let $60 coffee be x pounds
$90 coffee 40 pounds
Total $ 80 , 40+x pounds
..
60x+90*40=80(40+x)
60x +3600=80x+3200
20x=400
x= 20 pounds
RELATED QUESTIONS
A merchant has coffee worth $3 a pound that she wishes to mix with 60 pounds of coffee... (answered by checkley77)

a merchant has coffee worth $5 a pound that she wishes to mix with 50 pounds of coffee... (answered by jorel1380)

a merchant has coffee worth $3 a pound that she wishes to mix with 50 pounds of coffee... (answered by ad_alta)

I need help with this word problem please. A merchant has coffee worth $40 a pound... (answered by josmiceli)

5. A merchant has coffee worth $40 a pound that she wishes to mix with 60 pounds of... (answered by Edwin McCravy)

A merchant has coffee worth $60 a pound that she wishes to mix with 70 pounds of coffee... (answered by Maths68)

A merchant has coffee worth $30 a pound that she wishes to mix with 90 pounds of coffee... (answered by ptaylor)

a merchant has coffee worth $30 a pound that she wishes to mix with 30 pounds of coffee... (answered by josgarithmetic)

a merchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee... (answered by mananth)