Question 187462
put x is the large number  and y is the small number

x + y = 74

x=3y then  3y+ y = 74
 then y = 74/4 =18.5
 
 ==========> x = 3y= 18.5 * 3 = 55.5
 Answer: 55.5 and 18.5

Are you afraid odd numbers???? just think logically and work it out and I think you know how to do it, don't you?