Question

Narayan spent 2 1/2 hours going to his grandmother’s house. Of this time, he spent ½ of the time waiting at traffic signals. How many hours did he spend waiting at the Traffic signals? *​

Answer 1

Answer:

1 hour 15 minutes

Step-by-step explanation:

Time taken to reach grandmother’s house=2.5 hours=x

Time taken at Traffic signals=x/2=2.5 hours/2=1.25 hours

1.25*60=75 minutes

75 minutes= 1 hour 15 minutes

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Answer 2

Answer:

1 hr 15 mins or 1.5 hours

Explanation:

Time spent by Narayan going to his grandmother's house = 2 1/2 hrs

Therefore, time spent by Narayan going to his grandmother's house in mins.

=2hrs 30 mins

= (2×60mins)+30mins. =120mins+30mins

=150 mins

Time waiting at traffic signals= 1/2 of the time he spent going to his grandmother's house.

= 1/2 of 150 mins

= 150/2

= 75 mins

Therefore, 75mins in hours.

= 75/60

= 1.15hrs / 1hr15mins

Therefore, Narayan spent 1.15 hours waiting at the traffic signals.

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