Question

The price of the stock dropped $1.50 each day for 4 years,and then rose $0.80 each day for the next three days.Find the total change in the price of the stock over these 7 days.

Answer 1

4*(-1.5) + 3*0.8 = -3.6

The price of the stock dropped $3.60 in total over the 7 days.