Harriet calculated 27 divided 4 = 6.75 how can you find 270 divided 4 without dividing

ANSWER

Rewrite and make substitution.

EXPLANATION

Since Harriet calculated 27 divided 4 and had 6.75.

This means that:

Now we want to find

without divide.

Therefore we need to rewrite the expression so in terms of

so that we can substitute.

This will give us;

This implies that,

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