SOLUTION: if x varies directly as y, and x=24 when y=8, find x when y=10

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Question 760826: if x varies directly as y, and x=24 when y=8, find x when y=10
Answer by ramkikk66(644) About Me  (Show Source):
You can put this solution on YOUR website!
x varies directly as y. This means that:
(x/y) is a constant. Let us call this constant as "k". i.e. x+%2F+y+=+k
x = 24 when y = 8
So k+=+24%2F8+=+3
When y = 10
x%2Fy+=+x%2F10+=+k+=+3
x%2F10+=+3
Multiplying both sides by 10,
x+=+3%2A10+=+30
When y = 10, x = 30.