SOLUTION: Mr Smith's car uses 1 litre of fuel to travel 12km.How much fuel will be needed to travel 420km?
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Question 1022961: Mr Smith's car uses 1 litre of fuel to travel 12km.How much fuel will be needed to travel 420km?
Answer by LinnW(1048) (Show Source): You can put this solution on YOUR website!
1 litre of fuel to travel 12km
Multiply numerator and denominator by 1/12
= (1/12) litres per km
The fuel required for 420 km = (1/12)*420 litres
= 420/12 = 35 litres
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