SOLUTION: a garden store cells kentucky bluegrass seed fro $6 per pound and ryegrass seed for $3 per pound. how much rye must be mixed with 100 pounds of bluegrass to obtain a blend that wil

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: a garden store cells kentucky bluegrass seed fro $6 per pound and ryegrass seed for $3 per pound. how much rye must be mixed with 100 pounds of bluegrass to obtain a blend that wil      Log On


   

Question 358058: a garden store cells kentucky bluegrass seed fro $6 per pound and ryegrass seed for $3 per pound. how much rye must be mixed with 100 pounds of bluegrass to obtain a blend that will sell for $5 per pound?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
6*100+3X=5(100+X)
600+3X=500+5X
3X-5X=500-600
-2X=-100
X=-100/-2
X=50 LBS. OF RYEGRASS IS NEEDED.
PROOF:
6*100+3*50=5(100+50)
600+150=5*150
750=750