Question

A car travelled 228 km in 3 hours what time he can take to complete 912 km

Answer 1

Step-by-step explanation:

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Answer 2

$\large \underline{\underlinea{\textsf{Answer}}}$

$\large \boxed{\mathtt{Time\: Needed\: by \: Car = 12h}}$

$\large \underline{\underlinea{\textsf{Step-by-step Explanation}}}$

Given

• A car travelled 228km in 3h.
• Time = 3h
• Distance = 228km

To Find

• Time taken by car to travel 912 km

Solution

Now we know that,

$\boxed{\boxed{\bigstar \: \mathtt{Speed = \dfrac{Distance}{Time}}}}$

Here,

Distance = 238km

Time = 3h

Thus we have,

$\longrightarrow \mathsf{Speed = \dfrac{228km}{3h}}$

$\longrightarrow \mathsf{Speed = 76km/h}$

Therefore we have,

Speed of car = 76km/h

Now similarly we know that,

$\boxed{\boxed{\bigstar \: \mathtt{Time = \dfrac{Distance}{Speed}}}}$

But here in second case.

Distance = 912km

Speed = 76km/h .......(Found Above)

Therefore we have,

$\longrightarrow \mathsf{Time= \dfrac{912km}{76km/h}}$

$\longrightarrow \mathsf{Time= 12h}$

Therefore Required Answer

$\boxed{\mathtt{Time\: Needed\: by \: Car = 12h}}$