AQuA-RAT train #1839 · Arithmetic · Ratio & rate
Together, 15 type A machines and 7 type B machines can complete…
Together, 15 type A machines and 7 type B machines can complete a certain job in 4 hours. Together 8 type B machines and 15 type C machines can complete the same job in 11 hours. How many hours R would it take one type A machine, one type B machine, and one type C machine working together to complete the job (assuming constant rates for each machine)?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #1839
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.