Learn a rapid method for solving this popular SAT and ACT problem type that asks you to identify a term in an arithmetic sequence based on the sum of the sequence. If you’re not familiar with arithmetic sequences, first check out this video.

The SAT and ACT will also ask you to do the opposite of this process, i.e. to take the sum of an arithmetic sequence, as in a sum of consecutive integers problem.

sat_act_math_finding_terms_of_arithmetic_sequence_when_given_sum

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