Answer:
2hrs 40 minutes
Step-by-step explanation:
The formula for distance is expressed as:

#The time taken to run:

#The time taken to walk:

#Since the distances are the same:

Hence, Dana spends 2hrs 40 minutes walking back
Answer:
The answer to this problem is True.
Answer:
40 cm equals 400 millimeters
I hope this helps you
Answer:
let x=distance 105 mph train traveled
(456-x)=distance 85 mph train traveled
Travel time = distance/speed (equal in both directions)
x/105=(456-x)/85
85x=105*456-105x
190x=105*456
x=105*456/190=252 miles
travel time=252/105=2.4 hrs
ans:
The two trains will meet in 2.4 hrs
Step-by-step explanation:
there brainliest pls
6 = 18
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3. 9
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