Question

if p:q =7:5 and q:s= 9:14, find p:s

Answer 1

let p = 7x and q = 5x
7x /5x

let q =9x
s:= 14x

7x/14x

=2x

Answer 2

if p:Q=7:5,AND q:s=9:14
7:5::9:14
=7:9::5;14
63:70
therefore p:s
=63:70