Can you solve for r

Question

R=16

m=6

s=9

when m=12 and s= 9 r=

Answer 1

R=16 when m=6 and s=9

If they vary directly then R = kms

16 = k(6)(9)

16/54 = k

8/27 = k

R = (8/27)ms

So when m=12 and s=9, then R = (8/27)(12)(9) = (8*12*9)/27 = (8*4 * 3*9)/27 = 32

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