Gary H.
asked • 06/01/21rained 15 mm, on the second day it rained 21 mm, and on the third day it rained 12 mm.
How much did it rain on the fourth day?
Syeda Aaliya F. answered • 06/01/21
Holistic Mathematics Tutor
Average rain = 4 days rain / number of days
21mm = 15mm + 21mm + 12mm + fourth day / 4
21 × 4 = 48 + fourth day
84 –48 = 36 mm
Fourth Day Rain = 36mm
Syeda Aaliya F.
Simple mean formula is used06/02/21
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Syeda Aaliya F.
No this is simplest mean question. It is not group data06/02/21