I PROMISE I WILL LET EVERYBODY KNOW WHAT GRADE I GET WHEN I KNOW

Answer:
are those 3 different question of just one?
Step-by-step explanation:
Answer:
b i think
Step-by-step explanation:
6/15 for 2/5 because u multiply both by 3 and for 1/3 u multiply by 5 so u get 5/15 so i think b is the right answer