SOLUTION: Business and finance. There are 850 Douglas fir and ponderosa pine trees in a section of forest bought by Sawz Logging Co. The company paid an average of $300 for each Douglas fi

Algebra ->  Absolute-value -> SOLUTION: Business and finance. There are 850 Douglas fir and ponderosa pine trees in a section of forest bought by Sawz Logging Co. The company paid an average of $300 for each Douglas fi      Log On


   

Question 76999: Business and finance. There are 850 Douglas fir and ponderosa pine trees in a
section of forest bought by Sawz Logging Co. The company paid an average of
$300 for each Douglas fir and $225 for each ponderosa pine. If the company paid
$217,500 for the trees, how many of each kind did the company buy?
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
300X+225(850-X)=217,500
300X+191,250-225X=217,500
75X=217,500-191,250
75X=26,250
X=26,250/75
X=350 NUMBER OF DOUGLAS FIR TREES
850-350=500 NUMBER OF PONDEROSA PINE TREES
PROOF
300*350+225*500=217,500
105,000+112,500=217,500
217,500=217,500