Leslie loves playing fetch with her dog Spencer. Spencer always starts by sitting beside Leslie before Leslie throws the ball. When Leslie throws the ball, Spencer runs to it and brings the ball back to the same spot. Leslie throws the ball three times.
The first time she throws it \(8\) metres.
The second time she throws it twice as far as the first time.
The third time she throws it \(5\) metres less than the second time.
How far does Spencer run in total?
Themes: Geometry, Number Sense