Question

if x and y vary inversely as each oyher and
x = 4, when y = 15, find x when y= 12 12x =60
​

Answer 1

Answer:

It is given that, x and y vary inversely.

∴ xy=k

For x=5 and y=15 we have:

⇒ 4×15=k

⇒ k=60

For y=12,

⇒ 12x=75

⇒ x= 12/60

x=1/5