Question

I need help finding my equation for the question. I’m very confused

Answer 1

1)

The ratio of cookies to hours spent cooking = C : H

= 300 : 4

= 75 : 1

2)

How many hours does it take to bake 225 cookies

$\begin{gathered} =\text{ }\frac{225}{75}\text{ } \\ =\text{ 3 hours} \end{gathered}$