Answer:
for what school? It's different for all sadly :(
Explanation:
G- Gallons-Miles
Explanation
Even though gallons of gas are converted to miles you cannot physically convert gallons of something to miles.
A: 20 km/h, B: 10 km/h
Speed of Vehicle A = 40-20/ 2-1
=20 km/h
If A is 20km/h, B is 10km/h as given in option
