Question

ajay covers a distance of 240 km in 4 1/4 hours . Some part of the journey was covered at the speed of 45 km/h and the remaining at 60 km/h. Find the distance covered by him at the rate of 60 km/hr

Answer 1

The distance covered by him at the rate of 60 km/hr is 195 km.

Step-by-step explanation:

Let us assume that the distance covered by Ajay with 60 km/hr is x km.

So, he covered (240 - x) km with speed 45 km/hr.

If the total time that Ajay takes to cover the whole 240 km is $4\frac{1}{4} = 4.25$ hours, then we can write the equation as

$\frac{x}{60} + \frac{240 - x}{45} = 4.25$

⇒ 45x + 240 × 60 - 60x = 60 × 45× 4.25

⇒ 14400 - 15x = 11475

⇒ 15x = 2925

⇒ x = 195 km.

So, the distance covered by him at the rate of 60 km/hr is 195 km. (Answer)

Answer 2

ANSWER

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