Answer:
Ryan has 206 model cars.
Step-by-step explanation:
This can be represented in the equations below, where b is amount of cars Barney has and R is amount of cars Ryan has.
[tex]b = 103 \\ r = 2b[/tex]
If we insert b (which is 103) in for b in the second equation, you'd find the answer.
[tex]r = 2(103) \\ r = 206[/tex]
There is the answer