line segment ab measures 18 units. what is d, the distance between tick marks on the number line? 1 unit 2…

line segment ab measures 18 units. what is d, the distance between tick marks on the number line? 1 unit 2 units 3 units 9 units
Answer
Explanation:
Step1: Count number of intervals
There are 9 intervals between A and B.
Step2: Calculate distance per - interval
Since $AB = 18$ units and number of intervals $n=9$, then $d=\frac{18}{9}$. $d = 2$ units.
Answer:
2 units