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Answers
Explanation:
Given :-
Distance cover by car = 522 km
Petrol taken = 36 litre
To Find :-
Distance covered by petrol in 14 litre
Solution :-
We can solve it by 2 method
Arthimetical method
\tt \: Distance \: cover \: by \: car \: in \: 1 \: l= \dfrac{522}{36}Distancecoverbycarin1l=
36
522
\tt \: Distance \: covered \: by \: car \: in \: 1 \: l= 14.5 \: kmDistancecoveredbycarin1l=14.5km
\tt \: Distance \: cover \: by \: car \: in \: 14 \: l = 14.5 \times 14Distancecoverbycarin14l=14.5×14
\tt \: Distance \: cover \: by \: car \: in \: 14 \: l = 203 \: kmDistancecoverbycarin14l=203km
Proportional Method
Let the distance be x
\tt \: Distance \ratio \: Petro lDistance:Petrol
\tt \: 522 \ratio \: 36 = x \ratio \: 14522:36=x:14
\tt \: \dfrac{522}{36} = \dfrac{x}{14}
36
522
=
14
x
By cross multiplication
\tt \: 522 \times 14 = x \times 36522×14=x×36
\tt \: 7308 = 36x7308=36x
\tt \: x = \dfrac{7308}{36}x=
36
7308
\tt \: x = 203x=203