Mayumi hikes 3 miles in 2 hours and Edwin hikes 4 miles in 3 hours.
12 miles = 3x ————— (2 hours • X)
12/3=x—————(2x)
4=x—————(2(4))= 8hours
Mayumi walked 12 miles in 8 hours
12miles=4x————(3hours • X)
12/4=X————-(3x)
3=X————-(3(3))= 9 hours
It takes Edwin 9 hours to hike 12 miles, while it only takes mayumi 8 hours
a) Edwin takes longer to hike 12 miles
b) it takes him 1 hour longer to hike the 12 miles