Question

line segment ab measures 18 units. what is d, the distance between tick marks on the number line? 2 units 3 units 9 units 1 unit

Explanation:

Step1: Count tick - mark intervals

Count the number of intervals between A and B. There are 9 intervals.

Step2: Divide length of segment by intervals

Since the length of segment AB is 18 units, and there are 9 intervals, we calculate $d=\frac{18}{9}$.

Answer:

2 units