Step-by-step explanation:
1 hour she travels = 19 km
60 min = 1 hr
53 min = 1/60 * 53 hr = 53/60 hr
Now,
1 hr = 19 km
4 + 53/60 hrs = 19 * ( 4 + 53/60) km
She travels 92.78 km in 4 hrs and 53 minutes.
Step-by-step explanation:

Answer: 1,000,000,000*10
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Similarity cannot he determined but I’m not sure
Answer:
Yes, it always represent 40% of that number.
Step-by-step explanation: