Question 1120428
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.