Limbuan refreshment offering buko salad for a desert. They have 45 cups of buko salad. Each serving is 1/4 of a cup. How many servings can be made?

1.What operation to be used in the problem?
a. addition
b. division
c. multiplication
d. subtraction

2. What is the answer?
a. 120
b. 160
c. 180
d. 190​