SOLUTION: Help! Suppose that in the equation a/b=c/d. a and b are positive and d is negative number. Must c be positive of negative?

SOLUTION: Help! Suppose that in the equation a/b=c/d. a and b are positive and d is negative number. Must c be positive of negative?

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Question 833492: Help!
Suppose that in the equation a/b=c/d. a and b are positive and d is negative number. Must c be positive of negative?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Suppose that in the equation a/b=c/d. a and b are positive and d is negative number
.
Since the left side of the equal sign is positive
the right side must also be positive.
Therefore c MUST be negative.
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