Question

If y varies directly as x, and y is 18 when x is 5, which expression can be used to find the value of y when x is 11?

Answer 1

direct variation: y = kx

given y=18, x=5, find k.

k = y/x

k = (18)/5 = ?

Answer 2

what would be the answer?

Answer 3

you'll find out once you solve the problem :P

Answer 4

what does k equal?

Answer 5

3.6

Answer 6

Now you use k=3.6 , x=11 into the formula once again.

y = kx = (3.6)(11) =?

Answer 7

39.6

Answer 8

There you go :)

Answer 9

my answer choices are 1/9, 2/3/,54,96 though :(

Answer 10

Something is wrong with this question, or your answers.