Allan planted several marigold seeds in his garden and several weeks later, measured and recorded the height (in centimeters) of each plant. The histogram below shows his data. Of those planted, how many marigolds are between 4.0 and 6.9 cm. tall?

Answer:
5
Step-by-step explanation:
The number of marigolds planted in each range of heights is represented by the frequency that is attached to the bar.