If x is the greatest common divisor of 90 and 18, and y is the least common multiple of 51 and 34, then x + y =
A. 111
B. 120
C. 213
D. 222
E. 231
OA B
Source: Magoosh
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If x is the greatest common divisor of 90 and 18, and y is the least common multiple of 51 and 34, then x + y =
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