Question

how many students do not snowboard?

Explanation:

Step1: Identify regions not in snowboard

The snowboard circle has regions 10, 4, 3, 8. The other regions (not in snowboard) are 7, 2, 13, and 6.

Step2: Sum these regions

Calculate \( 7 + 2 + 13 + 6 \). First, \( 7 + 2 = 9 \), then \( 9 + 13 = 22 \), then \( 22 + 6 = 28 \).

Answer:

28