Sunday

December 21, 2014

December 21, 2014

Posted by **Sarah** on Monday, February 25, 2008 at 10:26pm.

If Y varies directly as X and Y = 12 when X = 3, find Y when X = 16

- Math -
**^Quen^**, Monday, February 25, 2008 at 11:11pmIf y varies directly with x, then there must be some number "k" such as:

y=k*x

Y = 12 when X = 3...So?

12=k*3

k=12/3

k=4

Since you found k, then you can plug in to find Y.

Y= 4*16

Y= 64

**Answer this Question**

**Related Questions**

algebra1 - M varies directly with n; m=144 when n=8. What is the constant of ...

Variation - I have few questions that I need checked please and could you help ...

Math - DIRECT VARIATION 1. a is directly proportional to b.If a=15,then b=9 2. m...

math - t varies directly as the square root of l. If l=81, then t=10 what is the...

Math - This is regarding direct variation. y varies directly as the square of R...

variation - Can you please check my answers? Thanxs! Write an equation that ...

variation - Can you please check my answers? Thanxs! Write an equation that ...

Variation-Check Problems - Can you please check my answers? Thanxs! Write an ...

Check my answers. Algebra - Can you please check my answers? Thanxs! Write an ...

algebra - I have no clue what to do here can you tell me how to figure this? If ...