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Mathematics 18 Online
OpenStudy (randomecorner):

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

OpenStudy (anonymous):

Can you make a mathematical equation out of this statement ?

OpenStudy (randomecorner):

9=6x?

OpenStudy (randomecorner):

right?

OpenStudy (anonymous):

when y=18 it has increased by a multiple of 3 so to find x do 9x3=27 so x=27

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