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Variable y varies directly with variable x, and y = 6 when x = 9. What is the value of x when y = 18?

Variable y varies directly with variable x, and y = 6 when x = 9. What is the value of x when y = 18?
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2 votes
Variable y varies directly with variable x, and y = 6 when x = 9.

What is the value of x when y = 18?

User Gargi
by
7.5k points

2 Answers

3 votes
(9)(6)=(x)(18)
54=18x
3=x
hope this helps!
User Nethsix
by
8.3k points
3 votes
Well, 18 is 6 x 3

Since y was multiplied by 3, we can multiply x by 3 to get its value

9 x 3 = 27
User BBSysDyn
by
8.6k points
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