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The expression 
12 g gives the number of kilometers a car can travel using 
g liters of gasoline.
How far can this car travel on 
5(1)/(2) liters of gasoline?

km

The expression 12g 12 g gives the number of kilometers a car can travel using g g liters of gasoline.\newlineHow far can this car travel on 512 5 \frac{1}{2} liters of gasoline?\newlinekm \mathrm{km}

Full solution

Q. The expression 12g 12 g gives the number of kilometers a car can travel using g g liters of gasoline.\newlineHow far can this car travel on 512 5 \frac{1}{2} liters of gasoline?\newlinekm \mathrm{km}
  1. Understand Given Expression: Understand the given expression and what is asked.\newlineThe expression 12g12g tells us that the car can travel 1212 kilometers for every liter of gasoline (where gg represents the number of liters of gasoline). We need to find out how far the car can travel on 5125\frac{1}{2} liters of gasoline.
  2. Convert to Improper Fraction: Convert the mixed number 5125\frac{1}{2} liters into an improper fraction to make the calculation easier.\newline5125\frac{1}{2} liters is the same as (5×2+1)/2=(10+1)/2=112\left(5 \times 2 + 1\right)/2 = \left(10 + 1\right)/2 = \frac{11}{2} liters.
  3. Multiply Kilometers per Liter: Multiply the number of kilometers per liter by the number of liters of gasoline to find the total distance.\newlineUsing the expression 12g12g, where gg is now 112\frac{11}{2} liters, we calculate the distance as follows:\newlineDistance = 12×(112)12 \times \left(\frac{11}{2}\right) km
  4. Perform Multiplication: Perform the multiplication to find the total distance.\newlineDistance = 12×11212 \times \frac{11}{2}\newlineDistance = (12×11)/2(12 \times 11) / 2\newlineDistance = 132/2132 / 2\newlineDistance = 6666 km

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