If p/3 = r/2 and r = 0.75s, what is the ratio of p to r to s

If p/3 = r/2 and r = 0.75s, what is the ratio of p to r to s?

(A) 2 : 3 : 4
(B) 8 : 12 : 9
(C) 9 : 6 : 8
(D) 6 : 4 : 3
(E) 12 : 8 : 3



Funny; so simple but I got it wrong at first xD