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Flashcards in Set I Deck (3)
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1

Formula for Counting the Number of Consecutive Integers:

Last - First + 1

2

Formula for Counting the Number of Consecutive Multiples:

( Last - First ) / Increments + 1

3

Formula for the Sum of Consecutive Integers:

Average * Number of Terms
Average = ( First Term - Last Term ) / 2
Number of Terms = ( Last Term - First Term ) + 1