Question

Parents of students at a middle school

Answer 1

The answer is B 319 parents

Answer 2

Answer:

(B). 319

Step-by-step explanation:

$\frac{42}{60}$ = $\frac{x}{456}$

$\frac{7}{10}$ = $\frac{x}{456}$

x = $\frac{7*456}{10}$ ≈ 319