47. One litre of petrol cost = 151/7. What is the cost of 21 litres of petrol?
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Answered by
1
Answer:
453.000001
Step-by-step explanation:
First divide 151 by 7
You will get 21.57
21.57 is the cost of 1 litre petrol
Now multiply 21.57 by 21 to get the cost of 21 litre
You will get 453.000001
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