The first unit of output of a new product requires 270 hours. A 75% learning curve applies. How long will it take to produce the next three units?
  It will take ________ hours to produce the next three units.
  正確答案:請參照解析
  答案解析:
  The correct answer is: 337.5.
  1 unit will take 270 × 1 = 270 hours, 2 units will take 0.75 × 270 × 2 = 405 hours and 4 units will take (0.75 × (0.75 × 270) × 4) = 607.5 hours.
  The next three units will therefore take 607.5 - 270 = 337.5 hours.