Question 117050
D+P=850 OR P=850-D
300D+225(850-D)=217,500
300D+191,250-225D=217,500
75D=217,500-191,250
75D=26,250
D=26,250/75
D=350 DOUGLAS FIRS.
850-350=500 HEMLOCK/DOUGLAS FIRS.
PROOF
300*350=500*225=217,500
105,000+112,500=217500
217,500=217,500