An algebra problem by Lester Nyroh Villanueva

Algebra Level 3

sum of all even numbers from 100 to 1000?


The answer is 248050.

Lester Nyroh Villanueva by Lester Nyroh Villanueva , 20, Philippines

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1 solution

(1000 x 1001 / 4) - (99 x 100 / 2)

0 Helpful 0 Interesting 0 Brilliant 0 Confused

what? i use the arithmetic sequence to determine the number of terms. what kind of solution is that? where did you get that??

Paolo Trace Perez - 6 years, 8 months ago

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