Math, asked by induindu6443, 4 months ago

the mean of 18, 24, 15, 2x+1 and 12 is21find x

Answers

Answered by nicky00724

1

Answer:

mean of 18,24,15,2x+1,12 is 21

Mean =

Numberofobservations

Sum

Mean =

5

18+24+15+2x+1+12

=21

70+2x=105

2x=35

x=17.5

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