Question

a librarian kept track of how many times some people went to the library last month. going to the library last month how many people went to the library fewer than 5 times last month? people

Explanation:

Step1: Count the number of people for each trip less than 5

For 1 trip: 3 people (count the number of Xs).
For 2 trips: 7 people.
For 3 trips: 0 people (no Xs).
For 4 trips: 6 people.

Step2: Sum up the counts

Add the number of people for 1, 2, and 4 trips: \(3 + 7+6\).

$$3 + 7+6=(3 + 7)+6=10 + 6=16$$

Answer:

16