1. The area of a washer is given by the formula below where ris the inner
radius and R is the outer radius.
Rearrange this formula to make the
Subject. ro
A=n(R2 - r2)

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock

you are having disney spells!