Question

Y varies inversely as x. if x = 7 then y = 6. Find y when x = 4.

Answer 1

10.5

Step-by-step explanation

Y varies inversely as x

Y ∝ 1/x

Y = k/x K is the the constant of variation

k = Yx

= 6 × 7 = 42

Y = 42/x

Y = 42/ 4

= 10.5