Question

some people took photos while visiting the zoo. taking photographs photographs taken how many people took exactly 1 photograph? people

Explanation:

Step1: Analyze the graph

Look at the axis labeled "Photographs taken" and find the position corresponding to 1 photograph. Check the number of 'x's at that position.
At the value 1 on the "Photographs taken" axis, there are no 'x's.

Step2: Determine the number of people

Since there are no 'x's at the position representing 1 photograph, the number of people who took exactly 1 photograph is 0.

Answer:

0