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Mathematics 12 Online
OpenStudy (anonymous):

If x and y vary directly and x=12 and y=3 what will be the value of x when y=9? Help please

OpenStudy (mathlegend):

In the first case... y = 3 x = 12 So isn't the x variable 4 times bigger? @Isaaclopez88

OpenStudy (anonymous):

So it's 27?

OpenStudy (mathlegend):

y = 9 x = (4)(9) = 36

OpenStudy (mathlegend):

Do you understand?

OpenStudy (anonymous):

Why did I mess up on easy multiplication like that? And yes I do understand thanks for the help

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