SOLUTION: A merchant has coffee worth $50 a pound that she wishes to mix with 70 pounds of coffee worth $80 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the
Algebra.Com
Question 675591: A merchant has coffee worth $50 a pound that she wishes to mix with 70 pounds of coffee worth $80 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the $50 coffee should be used?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
A merchant has coffee worth $50 a pound that she wishes to mix with 70 pounds of coffee worth $80 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the $50 coffee should be used?
**
let x=amt of $50 coffee should be used
50x+80*70=70(x+70)
50x+5600=70x+4900
20x=700
x=35
amt of $50 coffee should be used=35 pounds
RELATED QUESTIONS
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)
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 $50 a pound that she wishes to mix with 70 pounds of coffee... (answered by josgarithmetic,greenestamps)
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 $20 a pound that she wishes to mix 50 pounds of coffee worth... (answered by josgarithmetic)
I cant figure out how to work this problem out and how they came up with the answer of... (answered by josgarithmetic,macston,MathTherapy)
a merchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee... (answered by mananth)
A merchant has coffee worth $40 a pound that she wishes to mix with 20 pounds of coffee... (answered by Fombitz)