Which problem can be solved using this equation?

2
5
b = 4
A) Kyle's class is making banners for a fund raiser. They have 4 yards of material. How many banners can they make?
B) Kyle's class is making banners for a fund raiser. Each banner takes
2
5
yard of material. How many banners can they make?
C) Kyle's class is making banners for a fund raiser. Each banner takes
2
5
yard of material. They have 4 yards of material. How many yards will be left?
D) Kyle's class is making banners for a fund raiser. Each banner takes
2
5
yard of material. They have 4 yards of material. How many banners can they make?