Question

some students were surveyed about how many pairs of sandals they own.
pairs of sandals
how many students own at least 2 pairs of sandals?
students

Explanation:

Step1: Count students with 2 pairs

Count the number of 'X's for 2 pairs. There are 10 'X's.

Step2: Count students with 3 pairs

Count the number of 'X's for 3 pairs. There are 9 'X's.

Step3: Sum the counts

Add the number of students with 2 pairs and 3 pairs. \(10 + 9=19\)

Answer:

19