Answer: There are 20 biscuits in larger meal.
Explanation:
Given: Previous quantity of chicken = 6
In larger meal it becomes 15.
Previous quantity of biscuit = 8
Let
= quantity of biscuit in larger meal.
If the ratio remains the same, then the direct equation to the relation between x and y is given by :

Now,

Hence, there are 20 biscuits in larger meal.