Sixty five percent of a number is 21 less than four fifth…

Sixty five percent of a number is 21 less than four fifth of that number. What is the number

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 #37996