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?

ANSWERS:
Y=5/18(11)
Y=18/5(11)
Y=(18)(5)/11
Y=11/(18)(5)

Answer 1

B- Y=18/5(11)

Explanation:

Yvaries directly as X

Y=kx

K is a constant

18=5x

X=18/5

Y=18/5x

Y=18/5(11)