Question 394667
  <pre><font size = 3 color = "indigo"><b>
Hi
 sum of two numbers is 28
Let x and (28-x) represent the two numbers
question states***
 x = 3(28-x)
solving for x
 x = 84 - 3x
 4x = 84
  x = 21 and 7 (28-21) are the two numbers.  7 the smaller.

CHECKING our Answer***
 21 = 3*7