Question

the speed of car is 54.5 km/h. the distance travelled by it in 7/2 hours 35/2 minutes is​

Answer 1

Given that : Speed = 54.5 km/h

Time = 7/2 hours and 35/2 minutes

=> Time = 7/2 + 35/2 × 1/60 hours

=> Time = 7/2 + 7/24 = 91/24 hours

As we know that : Distance = speed × time

=> Distance = 54.5×91/24 = 206.65 km (approx)

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Answer 2

Answer: 123987/600 meters

Step-by-step explanation:

7/2 = 3.5 hours = 2100/600 hours

35/2 = 17.5 min = 175/600 hours

Total time = (2100+175)/600

=2275/600 hours

Speed = distance/time

54.5 = d/2275/600

54.5 x 2275/600 = d

Distance = 123987/600 meters