SOLUTION: How many kilograms of coffee beans selling for $2.40 per kilogram should be mixed with 4 kilograms of coffee beans selling for $3.60 per kilogram to obtain a mixture selling for $2
Algebra.Com
Question 85986: How many kilograms of coffee beans selling for $2.40 per kilogram should be mixed with 4 kilograms of coffee beans selling for $3.60 per kilogram to obtain a mixture selling for $2.88 per kilogram?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many kilograms of coffee beans selling for $2.40 per kilogram should be mixed with 4 kilograms of coffee beans selling for $3.60 per kilogram to obtain a mixture selling for $2.88 per kilogram?
------------
Amt. of $2.40 coffee = "x" kg ; Value of this is 2.4x dollars
Amt. of $3.60 coffee = 4 kg; Value of this is 3.6*4 = 14.4 dollars
Amt. of mixture = "x+4" kg; Value of this is 2.88(x+4) = (2.88x+ 11.52) dollars
-----------------
value + value = value
2.4x + 14.4 = 2.88x+11.52
-0.48x = -2.88
x= 6 kg (amt of $2.40 coffee to be added)
==========
Cheers,
Stan H.
RELATED QUESTIONS
How many pounds of coffee beans selling for $2.20 per pound should be mixed with 4 pounds (answered by richwmiller)
How many pounds of hazelnut coffee beans selling for $2.80 per pound should be mixed with (answered by richwmiller)
How many pounds of coffee beans selling for $2.00 per pound should be mixed with 6 pounds (answered by Earlsdon)
How many pounds of coffee beans selling for $ 1.20 per pound should be mixed with 6... (answered by AnlytcPhil)
How many pounds of coffee beans selling for 1.60 per pound should be mixed with 7 pounds... (answered by Theo)
How many pounds of coffee beans selling for $2.60 per pound should be mixed wit 7 pounds... (answered by checkley77)
housewife wishes to mix coffee beans worth Php60 and Php85 a kilogram to obtain 50... (answered by nerdybill)
a housewife wishes to mix coffee beans worth Php60 and Php85 a kilogram to obtain 50... (answered by mananth)
How many kilograms of hard candy that cost $7.50 per kilogram must be mixed with 24... (answered by ikleyn)