It took 18 hours to complete the first two products with an 80% learning curve. How long did the second product take?
A) 8 hours
B) 10 hours
C) 18 hours
D) 8.1 hours
E) none of the above

Question

Quizplus · Accepted Answer

With an 80% learning curve, the time to produce the second product is 80% of the time it took to produce the first. If the first two products took 18 hours together, and assuming the first product took X hours, then the second took 0.8X hours. The equation is X + 0.8X = 18, solving for X gives X = 10 for the first product, so the second product took 0.8 * 10 = 8 hours.

It Took 18 Hours to Complete the First Two Products