Practice problem
Linear Equation Word Problems - Examples & Practice
By Alex Federspiel
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An amusement park has the fastest rollercoaster in the world. It goes 160 mph. Sadly, due to unforeseen accidents, each year the rollercoaster has to reduce its speed by 4 mph.
Image by Albin Berlin via Pexels
Write a function for the speed of the rollercoaster after years.