Rooney, Hernandez, and Robin race each other in a 100 meters race

Rooney, Hernandez, and Robin race each other in a 100 meters race. All of them run at a constant speed throughout the race. Rooney beats Hernandez by 20 meters. Hernandez beats Robin by 20 meters. How many meters does Rooney beat Robin by ?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #71417