SOLUTION: If x is divisible by 3 and y is divisible by 5, which of the following must be divisible by 15? I. xy II. 3x + 5y III. 5x +3y A. I only B. III only C. I and II only D. I

SOLUTION: If x is divisible by 3 and y is divisible by 5, which of the following must be divisible by 15? I. xy II. 3x + 5y III. 5x +3y A. I only B. III only C. I and II only D. I

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Question 341342: If x is divisible by 3 and y is divisible by 5, which of the following must be divisible by 15?
I. xy
II. 3x + 5y
III. 5x +3y
A. I only
B. III only
C. I and II only
D. I and III only
E. I, II, and III
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
D.
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