Math, asked by graceluhan46, 1 year ago

If mean of observation x,x+3,x+5,x+7,x+10 is 9 find mean of first three observations

Answers

Answered by Sharvil99
0

x+x+3+x+5+x+7+x+10÷5=9

25÷5+5x=9

5+5x=9

5x=9-5

x=4÷5

Find x yourself and put it in observations

And find mean of first three observations

Thank you for points

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