Question

A car covers 350 km in 7
2
hours. How much distance will
it cover in 12 hours?​

Answer 1

Step-by-step explanation:

A car covers 340 km in 7 hours. How much distance will it cover in 12 hours?

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We can use two methods to find the distance

1) By Ratio and Proportion

2) By unitary Method

Method #01:

Lets start by unitary method

Distance covered by a car in 7 hours=340km

Distance covered by the car in 1 hour=340/7

Distance covered by the car in 12 hours=(340/7)*12=582.85Km

Method #02:

Distance : Hours

340 : 7

x : 12

As the number of hours increased distance will also increase so we have direct proportion in between the two

x/340=12/7

x=(12*340)/7

x=582.85Km

Answer 2

Answer:

58.3 Km

Step-by-step explanation:

GIVEN :

Speed = 350/72 km/h

Time = 12 Hours

To Find:

Distance = ?

Formula :

Speed = $\frac{Distance }{Time}$

⇒Distance =  Speed × Time

Solution :

Distance =  $\frac{350}{72}$ × 12

               = 350 ÷ 6

               = 58.3 Km

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