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a, b, x and y are positive integers. If ay = bx, is 7 a factor of x?
(1) 35 is a factor of a
(2) b when prime factorized will be of the form (5)^s
OA C
Source: Manhattan Prep
(1) 35 is a factor of a
(2) b when prime factorized will be of the form (5)^s
OA C
Source: Manhattan Prep