Question

2. Ram covers a distance in 42 minutes. He covers 2/3
of it at 4 km/hr and the remaining at 5 km/h. Find the
approximate total distance.​

Answer 1

$\huge\sf\red{Answer:}$

★ Given:

⇒ Ram covers a distance in 42 minutes. He covers 2/3 of it at 4 km/hr and the remaining at 5 km/hr.

★ Find:

⇒ Find the approximate total distance.

★ According to the question:

⇒ Let us assume 'D' as distance covered.

★ Calculations:

⇒ $\sf \dfrac{\dfrac{2}{3}}{4} + \dfrac{\dfrac{1}{3}}{5} = \dfrac{42}{60}$

⇒ $\sf \dfrac{2}{12} + \dfrac{D}{15}= \dfrac{42}{60}$

⇒ $\sf \dfrac{10 + 4}{60} = \dfrac{42}{60}$

⇒ ${\sf{\underline{\boxed{\green{\sf{3 \: m}}}}}}$

Therefore, 3 m is the distance.

Answer 2

✰Question ✰

▪Ram covers a distance in 42 minutes. He covers 2/3of it at 4 km/hr and the remaining at 5 km/h Find the approximate total distance.?

✰Solution :-

▪According to the question

➧Let, the distance covered by Ram =d

$\frac{2}{3 \times 4} d \: + \frac{1}{3 \times 5} d = \frac{42}{60} \\ \\ \frac{2d}{12} + \frac{1d}{15} = \frac{42}{60} \\ \\ \frac{10d + 4d}{60} = \frac{42}{60} \\ \\ \frac{14d}{60} = \frac{42}{62} \\ \\ d = 3km$

∴The total distance covered by Ram =3km..

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