Question 163106
D=RT.
5=[x+(x+2/3)].75
5=[2x+2/3].75
5=1.5x+.5
1.5x=5-.5
1.5x=4.5
x=3 mph for the slower walker.
3+2/3=11/3 mph for the faster walker.
Proof:
5=[3+11/3).75
5=[(9+11)/3]/75
5=20/3*.75
5=15/3
5=5