In a fruit cocktail, for every 30 ml of orange juice you need 45 ml of apple juice and 25 ml of coconut milk. what proportion of the cocktail is apple juice?
give your answer as a fraction in its simplest form.

Add the amount of orange juice, apple juice, and coconut milk together.
30+45+25=100
Now create a fraction with the amount of apply juice on top (because you want the proportion with apple juice).
45/100
Then reduce the fraction.
9/20