To find the unit rate of miles per gallon for each vehicle, you'll use the formula:
\[ \text{Miles per gallon} = \frac{\text{Miles traveled}}{\text{Gasoline used}} \]
Now, let's calculate the miles per gallon for each vehicle:
-
Sedan:
- Miles traveled: 63
- Gasoline used: 35 \[ \text{Miles per gallon} = \frac{63}{35} \approx 1.8 \text{ miles per gallon} \]
-
Minivan:
- Miles traveled: 798
- Gasoline used: 42 \[ \text{Miles per gallon} = \frac{798}{42} = 19 \text{ miles per gallon} \]
-
Truck:
- Miles traveled: 864
- Gasoline used: 54 \[ \text{Miles per gallon} = \frac{864}{54} \approx 16 \text{ miles per gallon} \]
Summary:
- Sedan: 1.8 miles per gallon
- Minivan: 19 miles per gallon
- Truck: 16 miles per gallon