Step-by-step reasoning process: If the blue car can travel at 80 mph, then the green one can travel at 8 * 80 = 640 mph. If the green car can travel at 640 mph, then the red can travel at 2 * 640 = 1280 mph.
The question and answer:
Question and answer: Dale owns 4 sports cars. The red one can travel at twice the speed of the green one, but the green one can travel at 8 times the speed of the blue one. The yellow one is broken and cannot move at all. If the blue one can travel at a speed of 80 miles per hour, at what speed, in miles per hour, can the red car travel?
The answer is 1280

Step-by-step reasoning process: Natalia sold 48 / 2 = 24 clips in May. Natalia sold 48 + 24 = 72 clips altogether in April and May.
The question and answer:
Question and answer: Natalia sold clips to 48 of her friends in April, and then she sold half as many clips in May. How many clips did Natalia sell altogether in April and May?
The answer is 72

Step-by-step reasoning process: The perimeter of a square is found by 4 * side, which means the square paper has a perimeter of 4 * 20 = 80. Since the perimeter of the square is 20 cm shorter than the height of the computer screen, the height of the computer screen is 20 + 80 = 100cm.
The question and answer:
Question and answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The perimeter of a square-shaped piece of paper is 20 cm shorter than the height of a computer screen. How many cm is the height of the screen if the side of the square paper is 20 cm?
The answer is 100