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Suppose y varies directly with x.If x is 30 when y is 10, what is x when y is 9?

Suppose y varies directly with x.If x is 30 when y is 10, what is x when y is 9?
asked 65.6k views
9 votes
Suppose y varies directly with x.If x is 30 when y is 10, what is x when y is 9?

asked
User Thegrinner
by
7.3k points

1 Answer

3 votes

Explanation:

x×k = y

30×k = 10

k = 10/30 = 1/3

x×1/3 = 9

x = 27

answered
User Auris
by
8.9k points
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