Question

frankie surveyed each of his classmates to find out which was his or her favorite color: red (r), blue (b), or green (g). the matrix shows how many males (m) and females (f) prefer each color.
how many females were surveyed altogether?
7
8
9
10

Explanation:

Step1: Identify female data

The female column in the matrix has values \(5\), \(3\), and \(1\).

Step2: Sum the values

Sum the values in the female column: \(5 + 3+1\).
$$5 + 3+1=9$$

Answer:

9