Given that x, y, and z are positive integers, and 24x = 3...

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PS · Problem Solving

605-655

Divisibility/Multiples/Factors

Given that x, y, and z are positive integers, and

24x = 36y = 60z

, which of the following must be divisible by 3?

I. x
II. y
III. z

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A

I only

B

II only

C

III only

D

I and III only

E

I, II and III

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Explanation

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