Question

If x and y vary directly and y is 2 when x is 3, what is why when x is 2

Answer 1

Explanation:

Direct variation means y = k x

when y = 2 x= 3

2 = k *3

2/3 = k

so the variation becomes y = 2/3 x

when x = 2

y = 2/3 (2)= 4/3