Question

Of a group of 12- to 15-year old girls surveyed, 225, or about ⅗ said they text while they watch television. About how many girls were surveyed?

Answer 1

$\textbf {\huge{ANSWER:}}$

Let the total number of girls be = x

$\textbf {ATQ:}$

$\frac{3}{5} \: of \: x = 225 \\ \\ = > \frac{3x}{5} = 225 \\ \\ = > x = \frac{225 \times 5}{3} \\ \\ = > x = 75 \times 5 \\ \\ = > x = 375$

Answer 2

Hi! Below you have the answer to your question:
let the total number of girls be 'x'.

$\frac{3}{5}x = 225 \\ \\ \frac{225 \times 5}{3} = x \\ \\ \frac{1125}{3} = x \\ \\ x = 375$
Therefore the total number of girls is about 375.
Hope it helps!