Question

Suppose y varies directly with x and y=24 when x=8. What is the value of when x=10?

Answer 1

`y=30`

Explanation:

`y prop x or y =k*x or k=y/x ;`, k is constant of variation. `y=24 ;x =8 :. k=24/8=3 :. y= 3x` So When `x=10 ; y=3*10=30`
`y=30` [Ans]