Question

The distance walking a marathon at a constant speed is directly proportional to the time of walking. If jennifer walked 9 miles in 3 hours, how many hours will jennifer walk in 5 hours at the same cosntant speed?
1.) 45 mi
2.) 30 mi
3.) 15 mi
4.)2.5 mi

i believe the answer is 40 mi, but i am not too sure, please help!

Answer 1

45 mi*