Respuesta :
The number of acres of farmland which can be cultivated with an operating cost of $441,216 is 16 acres
- Operating cost varies directly with number of acres
- Let : C = operating cost ; n = number of acres
Mathematically ;
- C α n
Hence;
- C = kn ; where k = proportionality constant
- We can solve for k ; C = 551,520 when n = 20
- 551520 = 20k
- Divide both sides by 20 to isolate k
- 551520/20 = k
- k = 27576
- The relationship can be expressed thus :
- C = 27576n
Therefore, the Number of acres with total operating cost of $441216;
- C = 441216
- 441216 = 27576n
- Divide both sides by 27576
- 441216 / 27576 = 16
Therefore, 16 acres of farmland can be cultivated with an operating cost of $441,216
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