chuck travels 215 miles dana travels 200 miles if chuck rate is 3mph more than dana what speed is chuck traveling?

Question

anonymous · Answer

help me

nowhereman · Answer

question is, do they travel those distances in the same time?

dumbcow · Answer

d=r*t

chuck:
215 = (x+3)t
215/(x+3) = t
dana:
200 = xt
200/x = t

set them equal to each other and solve for x
215/(x+3) = 200/x
cross multiply
215x = 200(x+3)
215x = 200x +600
15x = 600
x = 40

anonymous · Answer

i had 43 thank you mr.cow i refuse to call you dumb

dumbcow · Answer

haha thank you, 43 would be correct for chucks speed, 40 is danas speed