## Laps, Miles, Kilometers

**Work Time**

# Laps, Miles, and Kilometers

A runner can measure her progress in terms of laps, miles, or kilometers.

A sign is posted at a track that gives the distances in miles and in kilometers for one-half of a lap.

$\frac{1}{2}$ lap = $\frac{1}{8}$ miles, or 0.2 km

Rosa ran 14 laps.

Emma ran 5 km.

Mina ran 3 mi.

- Who ran the longest distance? Justify your answer mathematically.
- Who ran the shortest distance? Justify your answer mathematically.