Question

if p is 128% of r,q is 96% of r and r is 250% of s, find the ratio of p:q:s in lowest terms

Answer 1

p = 1.28r (1)
q = 0.96r (2)
r = 2.5s or s = 0.4r (3)

Comparing (1), (2), (3),
p : q : r = 64 : 49 : 20