Stock worth $40 a share dropped in value by 10% on monday. then, it dropped again by $10 the next tuesday and, finally, increased by 45% the following friday. what was the final price of a share?

In this question, we're going to go step by step to get the final price of the share.

We know that the stock started off as $40 per share, so that would be our starting value.

The stock dropped by 10%, so let's calculate the drop in price.

40 · 0.10 = 4

40 - 4 = 36

On Monday, the value of the stock was $36

On Tuesday, the stock dropped by $10, so calculate that drop as well

36 - 10 = 26

On Tuesday, the stock value is at $26

The stock increased by 45%, so we need to calculate the increase.

26 · 1.45 = 37.70

This means that the final price of the share was $37.70

$37.70

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11