Math, asked by Sengmiksangma45, 4 months ago

what is the vaIue of x if arithmetic mean of x,x+3, x+6, x+9 and x+12 is 10?

Answers

Answered by vimleshjain4473

0

Answer:

x=4

Step-by-step explanation:

[x+x+3+x+6+x+9+x+12]/5=10. 5x+30/5=10. 5x+30=50. 5x=50-30. 5x=20, x=4

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