Math, asked by rohangoel, 11 months ago

The mean of the observation x, 2X + 1, 2X + 5 and 2X + 9 is 30. What is the mean of first three observations

Answers

Answered by ishika1283

1

Answer:

2x+1+2x+1+2x+5+2x+9=30

8x+7=30

8x=30-7

x=23/8

x=2.875

Answered by monicamoni7

0

Answer:

therefore the required mean is 27

hope it helped!!❤️

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