Convert 87 centimeters to feet.

There are 2.54 centimeters (cm) per inch and 12 inches (in) in a foot so there are
\(2.54 \frac{\mathrm{cm}}{\mathrm{in}} \times \frac{12 \mathrm{in}}{\mathrm{ft}}= 30.48\frac{{cm}}{{ft}}.87cm/30.48\frac{{cm}}{{ft}} = 2.85feet\)