if x:y = 1:4, then find the value of
(7x+3y):(2x+y)  Options:
A) 14:5
B) 15:5
C) 16:5
D) 19:6
E) None of these
Explanation:   let x = 1k and y = 4k, so   =7(k)+3(4k)/ 2(k)+1(4k)   =19k/6k   =19:6   Option 19:6
<result>D</result>
if x:y = 1:4, then find the value of
(7x+3y):(2x+y)