Question 88076
300x+225(850-x)=217500
300x + (191250 + -225x) = 217500
191250+300x+-225x=217500
191250+75x=217500
191250 +-191250 +75x = 217500 + -191250
75x=26250
X=350
350 douglas fir
850 -350 = 500 Ponderosa pine