There were five baskets of apples on the table

There were five baskets of apples on the table. Each basket had one more apple in it than the basket before it. The average number of apples in the baskets A, B, C, D and E is 220. What percent is E of C ?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #61159