Answer:
The number of liters used by the car on travelling [tex]x[/tex] kilometers can be given as : [tex]\frac{x}{6.5}[/tex] liter.
Step-by-step explanation:
Given:
A car wash uses gas at the rate of 6.5 kilometers per liter.
To determine the number of liters used if it travels [tex]x[/tex] kilometers.
Solution:
We will use unitary method to determine the number of liters of gas used by the car if it travels [tex]x[/tex] kilometers.
If 6.5 kilometer consumes 1 liters of gas.
So, 1 kilometer will consume = [tex]\frac{1}{6.5}[/tex] liters
Thus, for [tex]x[/tex] kilometers will consume = [tex]x\times \frac{1}{6.5}=\frac{x}{6.5}[/tex] liters
Thus, number of liters used by the car on travelling [tex]x[/tex] kilometers can be given as : [tex]\frac{x}{6.5}[/tex] liter.
