Question

vacation packages
how many of the new agents sold more than 10 vacation packages?

Explanation:

Step1: Identify relevant intervals

Intervals with >10 packages: 11-12, 13-14, 15-16

Step2: Extract counts from intervals

Counts: 1, 2, 3

Step3: Sum the extracted counts

$1 + 2 + 3 = 6$

Answer:

6