Answer:

Explanation:
Let p denotes the number of cups in pack and b denotes the number of cups in boxes.
Given: There are 12 cups in each pack.
There are 18 cups in each box .
Then the total number of cups in p packs will be :-

And the total number of cups in b boxes will be :-

Now, the an expression in terms of ‘p’ and ‘b’ , for the total number of cups Alison buys will be:-
