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Suppose x=9 and y=3 what is x when y=21
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2 votes
Suppose x=9 and y=3 what is x when y=21

User Icecub
by
7.5k points

1 Answer

4 votes
Answer = 63

Explanation

You could set up a ratio of y1/y2 = x1/x2
In your case

3/21=9/x
3x=189
X=63
User Jack Marchetti
by
7.9k points
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