Income and expenditure of a person are in the ratio 5:4

Income and expenditure of a person are in the ratio 5:4. If the income of the person is Rs.18000, then find his savings?

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 #39606