Question

Of 1 litre petrol is 298/7 .What is the cost of 21/2 litre of petrol

Answer 1

Answer:

Step-by-step explanation:

1 litre petrol=298/7

21/2 litre petrol=298/7*21/2

=(298*21)/(7*2)

=Rs 447

Answer 2

Answer:

447 rupees

Step-by-step explanation:

cost of 1 litre petrol = 298/7 rupees

cost of 21/2 litre petrol = 21/2 × cost of 1 litre petrol

cost of 21/2 litre petrol = 21/2 × 298/7

cost of 21/2 litre petrol = 447 rupees

cost of 21/2 litre petrol is 447 rupees

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