A recipe for ranch dip says "combine 4 cups of mayonnaise with 3 cups of ranch seasoning to make one batch." How many batches would a 20 to 15 ratio of mayonnaise to ranch seasoning make? i am confuision

actually though i tried everything but the answers don't match

btw here are the answers

1. 3 batches

2. 4 batches

3. 5 batches

4. None of the above

also im actually not in highschool im in 6th grade i just thought you had to be 13 and older