The Number Represents an Approximate Measurement $22 \mathrm { ft }$

The number represents an approximate measurement. State the range represented by the measurement.
- $22 \mathrm { ft }$

A) $21.75 \mathrm { ft }$ to $22.25 \mathrm { ft }$
B) $21 \mathrm { ft }$ to $23 \mathrm { ft }$
C) $21.9 \mathrm { ft }$ to $22.1 \mathrm { ft }$
D) $21.5 \mathrm { ft }$ to $22.5 \mathrm { ft }$