Question

Y varies directly with x. If y = 5 when x = 20, what is the value of y when x = 6.

Answer 1

y = k(x)

y = 1/4 (6)

y = 3/2 or 1.5

Explanation:

y varies directly as x

y = k (x) where k = constant

k = y/x

y=5, x = 20

k = 5/20

k = 1/4

find y when x = 6

y = k(x)

y = 1/4 (6)

y = 3/2 or 1.5