Question

X varies inversely as y and X= 30 when y =400 find y when x = 600 but answer the question

Answer 1

Hey!

Let y be a

x = 30
y = 400

x = 600
y = ??

30/600 = 400/a

=> 30a = 400 × 600

=> a = 8000

a = y
y = 8000

Hope this helps...