If r varies inversely with w -1. If r = 3/50 when w = 3, how do you find r when w is 10?

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Answer 1 · 2016-05-22T20:40:32

# r= 3/(25(w-1))#

#r " "alpha" " 1/(w-1)#

Let the constant of variation be #k# then:

#r=k/(w-1)#

Given condition#" "-> 3/50=k/(3-1) -> 3/50=k/2#

Multiply both sides by 2

#k=6/50=3/25#

Thus the equation is #r=3/25xx1/(w-1) -> r= 3/(25(w-1))#