# Rates & proportional relationships

### Problem

Some vinyl records (let's call them "Oldies") rotate at the rate of 78, space, r, p, m (revolutions per minute).
The chart below shows revolutions per minute for three different tracks on another type of vinyl record (called "Goodies").
Which has a greater rate of revolutions per minute, Oldies or Goodies?
Track 1Track 2Track 3
Minutes345
Revolutions135180225