Farm A had an average output of 300 kgs of wheat per acre. Farm B had an average output of 350 kgs of wheat per acre. It is known that Farm B's area is 15 acres less than Farm A's. It is also known that Farm B in total harvested 3000 kgs of wheat more than Farm A. What is the area of Farm A?
Choices
A) 130 acres  B) 135 acres  C) 145 acres  D) 164 acres  E) 180 acres
The area of Farm A = x acres;   The area of Farm B = x-15 acres.   Total output of Farm A = 300x kgs;   Total output of Farm B = 350(x-15) kgs.   Farm B in total harvested 3000 kgs of wheat more than Farm A: 300x+3000=350(x-15) --&gt; x=164 acres.   Answer: 164 acres.
<result>D</result>
Farm A had an average output of 300 kgs of wheat per acre. Farm B had an average output of 350 kgs of wheat per acre. It is known that Farm B's area is 15 acres less than Farm A's. It is also known that Farm B in total harvested 3000 kgs of wheat more than Farm A. What is the area of Farm A?