What is the sum of consecutive whole numbers that begin with 1 increased to 200 and then decreased to 1?

1 ⤊

2006-12-03 10:59:21 · 3 answers · asked by lynda c 1 in Science & Mathematics ➔ Mathematics

S = 2* [(200+1)*200/2] - 200
S = 2* [(201)*100] - 200
S = 2* [(201)*100] - 200
S = 2* [20100] - 200
S = 40200 - 200

S = 40,000

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2006-12-03 11:04:34 · answer #1 · answered by Luiz S 7 · 1⤊ 0⤋

40,000

2006-12-03 11:11:20 · answer #2 · answered by Timothy S 2 · 0⤊ 0⤋

40,000

2006-12-03 11:03:51 · answer #3 · answered by Roxanne 3 · 0⤊ 0⤋