Math, asked by zahedbinhaseen7820, 10 months ago

The average of three number is 20 if two number are 18 and 19 the third number is ...

Answers

Answered by sbadiwal05
2

Step-by-step explanation:

average =,20

(18+19+x)/2=20

18+19+X=40

X=40-37

X=3

Answered by amolraj4u
0

Answer:

15

Step-by-step explanation:

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