CEMC Banner

Problem of the Week
Problem A
Spoke Too Soon

Ian rides his bike around a circular track that is \(400\) m long. He rides \(4\) full laps. His sister, Lisa, rides \(3\) more laps than Ian, but her circular track has a length of \(250\) m.

Who rides farther, and by how many metres?

Themes: Geometry & Measurement, Number Sense