Diving by a fraction is the same as multiplying by its reciprocal. In other words, we can change the division sign to multiplication and flip the second fraction.
÷ → ×
Now, we are multiplying fractions.
×
To multiply fractions, we can multiply the numerators together and the denominators together.
She can make up to 22 bags because you have to add 2.40 and 3.25 together to get 5.65 then divide by .25 to get 22.6 she can make a total of 22 with .6 left over