Answer:
32 times
Explanation:
Molly is filling a pitcher that holds 2 gallons of water.
1 gallon = 16 cups
So, 2 gallons =

So, it requires 32 cups to fill the pitcher.
Since we are given that She is filling the pitcher with a 1-cup measuring cup.
So, no. of times she will have to fill the cup 1-cup measuring cup to fill the pitcher =

Hence she will need to fill cup 1-cup measuring cup 32 times to fill the pitcher.