At my favorite fruit stand, an orange costs 18 dollars, a pineapple…

At my favorite fruit stand, an orange costs 18 dollars, a pineapple costs 27 dollars, and a grape costs 15 dollars. Using the same logic, can you tell how much a mango costs?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · test #197