Question

The price of a stock decrease by 60 cents one week , decreased 10 cents the next week , and decreased another 20 cents the following week

What is the average change in the price of the stock over the three weeks ?


-270 cents

-90

-87

-30

Answer 1

It's -90. I'm positive.

Answer 2

-60 + -10 + -20 = -90 / 3 = -30