<PRE><B>Question 949425</B>
three numbers are in the ratio of 1:3:5,if their sum is 189,what is the largest number?
 -----------------
1:3:5 is the same as x:3x:5x
------
Equation:
x + 3x + 5x = 189
9x = 189
x = 21
-----
3x = 63
5x = 105
----------------
Cheers,
Stan H.
---------------</PRE>