Question

x varies inversely as y and x =30, when y =400. find y,when x =600.


please solve fast​

Answer 1

Answer:

Step-by-step explanation:

X=K(1/y) (where k is constant)

X=30 when y= 400

Therefore, k= 30*400= 12000

When x= 600 , therefore,

x= k(1/y)

600= 12000/y

Therefore, y =12000/600

Y= 20

Answer 2

Answer:

y = 12000/600

then answer is 20