Answer:
P=0.1125
Explanation:
This problem tackles the probability of two events occurring together, that is, the ice cream sold being chocolate flavored and being sold in a cup. The probability of two events occurring together is given by:

The probability of the ice cream being chocolate flavored is 45%
The probability of the chocolate ice cream being sold in a cup is (1 - 75%) or 25%.
There, the probability of both events happening together is given by:

The probability is 0.1125 or 11.25%