Can you guys explain how to find the sum of the two digit multiples of 11??

1 answer:

5 0

I'm not sure I understand the question.

The 2-digit multiples of 11 are 11, 22, 33, 44, 55, 66, 77, 88, and 99 .

Adam up !

Another, easier and slightly slicker, way to do it would be to factor the list
first, and then do the sum as:

11 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) = 11 x 45

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