The stem-and-leaf plot lists the number of tropical flowers at the entrance of different parks.

How many parks have between 40 and 50 tropical flowers at the entrance?



Enter your answer in the box.

A stem-and-leaf plot with a stem value of 1 with a leaf value of 6, a stem value of 2 with a leaf value of 5, 6, a stem value of 3 with a leaf value of 8, a stem value of 4 with a leaf value of 0, 0, 0, 4, a stem value of 5, and a stem value of 6 with a leaf value of 7.

Key: 1|6 means 16