Eva maintained an average speed of 35 miles per hour (mph) for the first m hours of her road trip. For the next n hours of the trip, she drove at an average speed of 60 mph. Eva drove a total of 225 miles in 4.5 hours. Which of the following systems of equations could be used to find how many miles Eva drove in the first m hours of the trip?

With any turning vehicle, the rear wheels follow a shorter path than the front wheels. the longer the vehicle is, the greater the difference will be. truck drivers initially swing out before making a turn. what isn't shown in this illustration is as car straightens out, the front wheels must travel a greater distance and the tail end drags on the shortest path.

The answer is b.i hope this i got the answer from google just to make sure i was correct didnt wanna make you get it