Math, asked by vidhi2972008, 3 months ago

b) A car travels 90 km in 2.5 hours. (a) How much time is required to cover 30 km
with the same speed? (b) Find the distance covered in 2 hours with the same
speed.​

Answers

Answered by Elina112
2

Answer:

a) 48 mins are required to cover 30 km

b) 72 km would be covered in 2 hours with the same speed.

Step-by-step explanation:

By unitary method:

a)

Distance                       Time

90 km                           2.5 hours

30 km                            x hours

  ⇒ x = 30 × 2.5 / 90

 ⇒ x = 0.8 hours = 48 minutes

b) Distance covered in 2 hours = 90 × 2 / 2.5

                                               =  72 km

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