A stock loses 10% of its value on Monday. On Tuesday it loses 20% of the value it had at the end of the day on Monday. On Wednesday it loses 30% of the value it had at the end of the day on Tuesday. What is the overall percent loss in value from the beginning of Monday to the end of Wednesday?
+36916 x = beginning value
.9x after monday (10 % loss leaves 90 % value)
.9x * .8 after tuesday
.9x * .8 * .7 after wed = .504x is the value on Wed a loss of 49.6 %
