SAT Math Practice Question #25041 - SATify | SATify

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SAT Math Practice Question #25041 - SATify | SATify

#25041

sequences and series

series

medium

120 sec

What is the value of $1 + 2 + 3 - 4 + 5 + 6 + 7 - 8 + \dots + 97 + 98 + 99 - 100$ ?

A.

2,400

B.

2,450

C.

2,500

D.

2,550

E.

2,600