In a certain formula, p is directly proportional to s and inversely proportional to r. If p =1 when r = 0.5 and s = 2, what is the value of p in terms of r, and s?
(A)s/r
(B)r/4s
(C)s/4r
(D)r/s
(E)4r/s
Pls. explain. I don't understand the ques.
VIC
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p=Ks/r, k is a constant
from the condition given
1=K2/.5
or K=1/4
p=s/4r i.e. C
from the condition given
1=K2/.5
or K=1/4
p=s/4r i.e. C
The powers of two are bloody impolite!!