a motor car uses 40 litres of petrol to run for 8 hours (i) calculate the amount of petrol needed for a 12 hour journey (ii) how long will 150 litres of petrol last ?
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Because car moves 8h ,by using 40L petrol
So it will use 5L in 1h
So in 12 hour it will use (12×5)=60L
& 150L petrol will be used in (150/5)=30h
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So it will use 5L in 1h
So in 12 hour it will use (12×5)=60L
& 150L petrol will be used in (150/5)=30h
Thanks
Please mark as brain list answer
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