Gasoline price

At 34.4 cents per liter, how much will 42 liters of gasoline cost?

Correct result:

c =  14.448 USD

Solution:

$$\begin{gathered} V=42\text{ l } \\ c=0.344\cdot V=0.344\cdot 42={\displaystyle \frac{1806}{125}}=14\frac{56}{125}={\displaystyle \frac{1806}{125}}\text{ USD}=14.448\text{ USD} \end{gathered}$$

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