Answer:
Avg speed 550 miles per hour
Step-by-step explanation:
with the wind 1200 miles traveling
1200/(550+50) = 2 hours
Against the wind
1000/(550-50) = 2 hours
Well I am going to guess and i don't know if it right but 156.25ml
Distribute and combine like-terms!
-4x + 12x - 2x - 2
6x - 2
