Question

what is the measurement for b
5/8\
7/8\
3/4\
1/2\

Explanation:

Step1: Analyze the ruler markings

The ruler is divided into 8 - equal parts between each whole - number. Point B is 7 parts out of 8 from the start of the first unit.

Step2: Determine the fraction

Since each part represents $\frac{1}{8}$ of an inch, and point B is at the 7th part, the measurement for B is $\frac{7}{8}$ inches.

Answer:

$\frac{7}{8}$"