if x:y = 1:3, then find the value of
(7x+3y):(2x+y) Choose one.
A) 14:5	B) 15:5	C) 16:5	D) 17:5	E) 18:5
Explanation:   let x = 1k and y = 3k,   so   =7(k)+3(3k)/2(k)+1(3k)   =16k/5k   =16:5   ANSWER IS 16:5
<result>C</result>
if x:y = 1:3, then find the value of
(7x+3y):(2x+y)