Question

Question was provided via image upload.

Explanation:

Step1: Identify ruler scale

Each inch is divided into 12 smaller marks, so each small mark = $\frac{1}{12}$ inches.

Step2: Measure ruler 2

Pointer is at 9 + $\frac{4}{12}$ = $9\frac{1}{3}$ inches.

Step3: Measure ruler 3

Pointer is at 15 + $\frac{5}{12}$ = $15\frac{5}{12}$ inches.

Step4: Measure ruler 4

Pointer is at 3 + $\frac{2}{12}$ = $3\frac{1}{6}$ inches.

Answer:

1. $6\frac{1}{12}$ inches
2. $9\frac{1}{3}$ inches
3. $15\frac{5}{12}$ inches
4. $3\frac{1}{6}$ inches