Question

princeton counted how many times people used the public pool last month. going swimming last month number of times how many people went swimming fewer than 3 times? people

Explanation:

Step1: Count for 1 time

Count the number of X's above 1: 7.

Step2: Count for 2 times

Count the number of X's above 2: 8.

Step3: Sum the counts

Add the counts for 1 and 2: $7 + 8 = 15$.

Answer:

15