Question

Find the value of Y for a given value of X, if Y varies directly with X.
If Y =2.52 when X = 8.4, what is Y when X= 2.7?
A. 9
B. -9
C. 0.81
D. -0.81

Answer 1

Is it a proportion?

Answer 2

y=kx
2.52=k8.4
k=2.52/8.4
k=0.3
y=03x2.7
y=0.81

Answer 3

Thank you so much! :) at was super easy for you huh? -_- I feel dorky...thanks dude.

Answer 4

lol...np...y varies directly with x means y=kx ( k is the constant)