Question

Find the value of x.
x:12=5:8

Answer 1

x = 7.5

Explanation:

expressing the ratio as a fraction , that is

`(x)/(12)` =
`(5)/(8)` ( cross- multiply )

8x = 60 ( divide both sides by 8 )

x = 7.5

Answer 2

Since 5:8is constant with respect to x, the derivative of 5:8 with respect to x is 0.0

Explanation: