SOLUTION: If A is the sum of the integers from 1 to 50 and B is the sum of the integers from 51 to 100, what is the value of B � A ? (A) 2720 (B) 2340 (C) 2500 (D) 1990

Question 253800: If A is the sum of the integers from 1 to 50 and B is the sum of the integers from 51 to 100, what is the value of B � A ?
(A) 2720 (B) 2340 (C) 2500 (D) 1990 (E) 2800

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If A is the sum of the integers from 1 to 50 and B is the sum of the integers from 51 to 100, what is the value of B � A ?
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A = (50)(1+50)/2 = 25*51
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B = 50(51+100)/2 = 25(151)
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B - A = 25(151)-25(51) = 25*100 = 2500
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Cheers,
Stan H.
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(A) 2720 (B) 2340 (C) 2500 (D) 1990 (E) 2800

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