a school bus transported an excursion party to a picnic spot 150 km aw

1.	a school bus transported an excursion party to a picnic spot 150 km away. While returning, it was raining and the bus had to reduce its speed by 5km/h,and it took one hour longer to make the return trip.Find the time taken to return.
Answer» Let v be speed of bus. time=150/v After speed is reduced, ^v₁=v-5 ^150/(v-5) -150/v = 1 solve to find v.

a school bus transported an excursion party to a picnic spot 150 km away. While returning, it was raining and the bus had to reduce its speed by 5km/h,and it took one hour longer to make the return trip.Find the time taken to return.

Answer»

Let v be speed of bus.

time=150/v

After speed is reduced,

^v₁=v-5

^150/(v-5) -150/v = 1

solve to find v.

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a school bus transported an excursion party to a picnic spot 150 km away. While returning, it was raining and the bus had to reduce its speed by 5km/h,and it took one hour longer to make the return trip.Find the time taken to return.

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