Rahim's salary is 150% of Karim's salary. Karim's salary is 80% of Shahin's salary. What is the ratio of Shahin's salary to Rahim's salary?

shahin এর salary = S karim = K = .80s Rahim = R = 1.5*.80s S : R = S/R = S/(1.5*.80s) = 5/6 = 5 to 6