SOLUTION: x =24 when y =8 find x when y =9

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Question 470981: x =24 when y =8 find x when y =9
Found 2 solutions by jorel1380, MathLover1:
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
24/8:n/9
216=8n
n=27..

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

If x varies directly as y, and if x=24 when y=8, to find x when y=9 use this formula:

y+=+kx
Substitute x=24 and y=8 to find k,
8+=+k%2A24
k+=+8%2F24
k+=+1%2F3
So the equation is,
y+=+%281%2F3%29x
Now, substitute y+=+9 to find x:
9+=+%281%2F3%29x
x+=+27