Andrew M. answered 02/11/18
Tutor
New to Wyzant
Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors
distance on bicycle = d
distance by car = 8d
d + 8d = 423
9d = 423
d = 423/9 = 47 km on bicycle
423-47 = 376 km by car