A would be the correct answer because he is up in elevation so that makes the 1200 positive and he goes down 20.4 which is negative and is goes that far down!!
hope this helps
Answer:
2 hours to meet each other
Step-by-step explanation:
Answer:
-6x+2y=-18 = 
-3x-2y=54 = 
Step-by-step explanation:
I hope I understood this correctly.
22 I believe. You take 1/3 and make it 2/6 and that's a 3/6 difference so 11 gallons is half the tank then just multiply 11•2=22