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If p varies inversely as r when p = 24
when r= 12, find r when p = 18

a.8 b.16 c.32 d.64​


Sagot :

Answer:

r = 16

Step-by-step explanation:

p = k/r

24 = k / 12

12(24 = k / 12)12

k = 288

p = k/r

18 = 288 / r

r(18 = 288 / r)r

18r = 288

r = 16