Answer:
Since 5:8is constant with respect to x, the derivative of 5:8 with respect to x is 0.0
Step-by-step explanation:
x = 7.5
expressing the ratio as a fraction , that is
[tex]\frac{x}{12}[/tex] = [tex]\frac{5}{8}[/tex] ( cross- multiply )
8x = 60 ( divide both sides by 8 )
