SOLUTION: The average of some Natural number is 15 if 30 is added to first number and 5 is subtracted from the last number the average becomes 17.5 then the no. Of natural no. Is

Question 998667: The average of some Natural number is 15 if 30 is added to first number and 5 is subtracted from the last number the average becomes 17.5 then the no. Of natural no. Is
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
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The average of some Natural number is 15 if 30 is added to first number and 5 is subtracted from the last number the average becomes 17.5 then the no. Of natural no. Is
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The average of how many "Natural number"?

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