Set A consists of three consecutive positive multiples of 3, and set B consists of five consecutive positive multiples of 5. If the sum of the integers in set A is equal to the sum of the integers in set B, what is the least number that could be a member of set A?
(A) 69
(B) 72
(C) 75
(D) 78
(E) 81
OA B
Source: Manhattan Prep
Set A consists of three consecutive positive multiples of 3, and set B consists of five consecutive positive multiples
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