Answer:
x = 1/2QN^2
Step-by-step explanation:
Answer:
The train going 30 miles in 1/3 hour is going faster than the other train.
Step-by-step explanation:
Calculate each rate by dividing the distance traveled by the amount of time it takes to cover that distance:
30 / (1/3) = 90 mph
20 / (1/2) = 40 mph
Answer:
the thrid one
Step-by-step explanation: