If 7 is 10 percent of 50 percent of a certain number…

If 7 is 10 percent of 50 percent of a certain 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 #20649