At one time, sea lions were depleting the stock of steelhead trout. One idea to scare sea lions away from the Washington coast was to launch fake killer whales, which are predators of sea lions. The cost of making the first whale is $16,000 ($5,000 for materials and $11,000 for the mold). The mold can be reused to make additional whales, and so additional whales cost $5,000 each. Based on these numbers, the average total cost of making five fake killer whales would be:

Question

Quizplus · Accepted Answer

The total cost for five whales is $16,000 for the first whale and $5,000 each for the additional four whales, totaling $36,000. The average cost is $36,000 divided by 5, which equals $7,200.

At One Time, Sea Lions Were Depleting the Stock of Steelhead