Question 810521
x+y=2,
r=b-3,
5/r=x,
2/b=y
b=bike speed = 6,   y= bike time= 1/3 check 6*1/3=2 miles
r=running speed = 3,   x=running time= 5/3, check 5/3*3=5 miles
check 1/3+5/3=6/3=2 hours