Parts Inventory
Challenge: You need 8 components to build your rocket. So far, you’ve collected 3 fuel tanks, 2 Raptor engines, and 1 navigation system. How many more components do you need?
Answer: 8 – (3 + 2 + 1) = 2 components.
Race to the Stars
Answer: 8 – (3 + 2 + 1) = 2 components.