Lemma
MediumAverages
AQuA-RAT train #8489 · Arithmetic · Averages

The average of 15 numbers is 75

The average of 15 numbers is 75. Average of the first 8 of them is 68 and that of the last 8 is 77. Find the 8th number?

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 #8489

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