SOLUTION: I have been stuck on this for over an hour! If r varies inversely with w - 1. If r = 3/50 when w = 3, find r when w is 10. A75 B10 C175 D1/75 E1/750 F1/175 I think I

Algebra ->  Expressions-with-variables -> SOLUTION: I have been stuck on this for over an hour! If r varies inversely with w - 1. If r = 3/50 when w = 3, find r when w is 10. A75 B10 C175 D1/75 E1/750 F1/175 I think I      Log On


   

Question 215082: I have been stuck on this for over an hour!
If r varies inversely with w - 1. If r = 3/50 when w = 3, find r when w is 10.
A75
B10
C175
D1/75
E1/750
F1/175
I think I understand the process but can't find the solution to this one!
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If r varies inversely with w - 1. If r = 3/50 when w = 3, find r when w is 10.
A75
B10
C175
D1/75
E1/750
F1/175
------------
r = k/(w-1) k is some constant
3/50 = k/(3-1) = k/2
k = 3/25
-------------------
r = (3/25)/(10-1)
r = 1/75