Question

If y = 200 varies inversely when x = 32, find y when x = 40.

Answer 1

Below

Explanation:

y = k/x <====== this si given

When y = 200 and x = 32 :

200 = k/32

k = 200(32) = 6400

So the relationship becomes y = 6400/x

now , when x = 40:

y = 6400 / 40 shows y = 160