Question

Barney has 103 model cars. Ryan has 2 times as many model cars. How many model cars does Ryan have?

Answer 1

Ryan has 206 model cars.

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.

`b = 103 \\ r = 2b`

If we insert b (which is 103) in for b in the second equation, you'd find the answer.

`r = 2(103) \\ r = 206`

There is the answer