Algebra Grade 7
posted by rawr... im a dinosaur.... rawr .
Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __

Do you understand what this problem is asking?

Not competely, i was wondering if I could have help on how to solve it.

RT is a line.
S is in the middle of this line.
The distance between S and T is 11 in.
R__________________S__________________T
^. . . 11 . . .^ . . ? . . .^ 
Sorry  my diagram didn't come out right.