Answer:
3.6million
Step-by-step explanation:
See image for explanation (gotten from Chegg tutor)
I think it's 13. Hope this helps
The method that is not correct is brandon's method.
X=17. I hope this helps you young sir/madam
Answer: Train A - 60 mph; Train B - 125 mph
Explanation: To find the speed of Train A, you should do 120/2, which equals 60. To find the speed of Train B, you should do 250/2, which equals 125.