Sandy is younger than Molly by 16 years

Sandy is younger than Molly by 16 years. If the ratio of their ages is 7:9, how old is Sandy?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #34873