Speed Machine Answers:
1. 600 ÷ 3 = 200 mph
2. 380 ÷ .5 = 760 mph
3. 800 ÷ 2.5 = 320 mph
4. 239 ÷ .75 = 318.67 mph
5. a. 2200 x 2 = 4400 miles, b. 2200 x 3 = 6600 miles, c. 2200 x 5 = 11,000 miles
Challenge: Lockheed SR71
6. A. 18 minutes, B. 4.7 minutes, C. 11.3 minutes, D. 11.3 minutes, E. 1.6 minutes
T. Trimpe 2001