Lily's car has a fuel efficiency of 8liters per 100 kilometers. What is the fuel efficiency of Lily's car in kilometers per liter?

Respuesta :

Using Algebra I have concluded that the answer is 12.5 kilometers per liter. :D

First set up your equation

[tex]\frac{8}{100} = \frac{1}{x} \\\\

Next multiply by x

(\frac{8}{100})x = (\frac{1}{x})x \\\\[/tex]

[tex](\frac{8x}{100}) = 1\\\\[/tex]

Then multiply by 100

[tex](\frac{8x}{100}) 100 = (1) 100[/tex]

[tex]8x = 100\\\\

Finally divide by 8

\frac{8x}{8} =  \frac{100}{8}[/tex]

[tex]x = 12.5[/tex]

Hope this helps!