Question

how many students are there in all?
□ students

Explanation:

Step1: Count x's at 0

Count the number of x's above 0: 5.

Step2: Count x's at 1

Count the number of x's above 1: 2.

Step3: Count x's at 2

Count the number of x's above 2: 9.

Step4: Count x's at 3

Count the number of x's above 3: 10.

Step5: Count x's at 4

Count the number of x's above 4: 4.

Step6: Count x's at 5

Count the number of x's above 5: 3.

Step7: Count x's at 6

Count the number of x's above 6: 8.

Step8: Sum all counts

Add all the counts: \(5 + 2 + 9 + 10 + 4 + 3 + 8 = 41\).

Answer:

41