SOLUTION: What is the difference between the sum of 1st 20 natural and 1st 20 whole numbers?

Algebra.Com
Question 979223: What is the difference between the sum of 1st 20 natural and 1st 20 whole numbers?
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
The first 20 NATURAL numbers are

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

The first 20 WHOLE number are

0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19

Difference between them?
Subtract their sums and they'll all cancel except for the 20.

Answer: 20.

Edwin
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