Fewpal
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The daily rainfall for each day of a week in a certain city is given in millimeters. Find the average rainfall during the week. 9, 11, 8, 20, 10, 16, 12

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(Average rainfall during the week) = Sum of rainfall for each day of the week)/(number of days)

= (9 + 11 + 8 + 20 + 10 +10 +16 +12)/7

= 86/7

= 12.285 ≈ 12.29 

∴ The average rainfall during the week is 12.29 mm.

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