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15.10.2019 •
Mathematics
Mr. sawyer drove his car from his home to new york at the rate of 45 mph and returned over the same road at the rate of 40 mph. if his time returning exceeded his time going by 30 min, find his time going and his time returning.
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Ответ:
Time taken by him in going = 8 hours
Time taken by him in returning = 9 hours
Step-by-step explanation:
Let the total distance from home to New York is x miles,
Also, he drove his car from his home to New York at the rate of 45 mph,
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And, returned over the same road at the rate of 40 mph.
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According to the question,
Time taken by him in returning - Time taken by him in going = 30 minutes = 1/2 hours, ( 1 hours = 60 minutes )
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Hence, the total distance from home to New York = x miles = 360 miles
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Ответ:
205
Step-by-step explanation: