Answer:
B

Step-by-step explanation:
We want to identify the expression that have a quotient of 4/5;
Let us solve each of the expression to identify the correct one;
a. 5/2 ÷ 1/2

b.6/9 ÷ 5/6

c. 3/6 ÷ 2/5

d.7 1/2 ÷ 6

e.1 1/3 ÷ 1 2/3

So, from the solution of each options, the only expression that gives 4/5 is B
b.6/9 ÷ 5/6