Lemma
MediumRatio & rate
AQuA-RAT train #48639 · Arithmetic · Ratio & rate

Walking at 4/7 of its usual speed, a train is 9 minutes…

Walking at 4/7 of its usual speed, a train is 9 minutes late. Find its usual time to cover the journey.

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #48639

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer

Checked against the answer in AQuA-RAT.