Answer:
Olga will use 133.33 ounces of floor.
Explanation:
To solve this question we will apply the unitary method to calculate the amount of flour to make 300 muffins.
∵ To make 225 muffins Olga uses flour = 100 ounce
∴ To make 1 muffin Olga will use flour =

∴ For 300 muffins Olga will use flour =
= 133.33
Olga will use 133.33 ounces of flour.