SOLUTION: A nursery plans to mix tall fescue grass seed and blue grass seed for spring sale. Tall fescue seed costs $3.20 per pound and blue grass seed costs $5.40 per pound. How many pounds

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A nursery plans to mix tall fescue grass seed and blue grass seed for spring sale. Tall fescue seed costs $3.20 per pound and blue grass seed costs $5.40 per pound. How many pounds      Log On


   

Question 1120428: A nursery plans to mix tall fescue grass seed and blue grass seed for spring sale. Tall fescue seed costs $3.20 per pound and blue grass seed costs $5.40 per pound. How many pounds of fescue seed should be used to obtain 50 pounds of a mix worth $3.86 per pound? Type in your numerical answer as a whole number; do not type any letters or words with your answer.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
f=fescue and b=blue
f+b=50
3.2f+5.4b=50(3.86)=193
-3.2f-3.2b=-160, multiplying the first by -3.2 to eliminate f
add them
2.2b=33
b=15 or $81
f=35 or $112
Language for the required answer is unclear, but that is the number of pounds of each.