If the perimeter of a rectangular garden is 1200 m, its length…

If the perimeter of a rectangular garden is 1200 m, its length when its breadth is 240 m is?

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 #33146