How many two-digit numbers yield a remainder of 1 when divided by…

How many two-digit numbers yield a remainder of 1 when divided by both 6 and 15?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #55497

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