Question

The average (or mean) rainfall of a place from Monday to Wednesday of a particular week
was 10.2 mm and that from Wednesday to Sunday was 18.2 mm. If the rainfall on
Wednesday was 22.4 mm, find the average rainfall of the place for the whole week.
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Answer 1

Answer:

$\frac{10.2 + 18.2 + 22.4}{3} \\ \frac{50.8}{3} \\ 16.9mm$