The cost of petrol in city is Rs 70 per litre. Find a linear equation in two variables where y represent number of litres of petrol consumed and Rs x is total cost

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Solution

Total cost = x
Cost of petrol/litre = 70
Number of litres of petrol consumed = y.
Therefore,
x = 70y.
x - 70y = 0

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The cost of petrol in city is Rs 70 per litre. Find a linear equation in two variables where y represent number of litres of petrol consumed and Rs x is total cost

Total cost = x Cost of petrol/litre = 70 Number of litres of petrol consumed = y. Therefore, x = 70y. x - 70y = 0

Total cost = x
Cost of petrol/litre = 70
Number of litres of petrol consumed = y.
Therefore,
x = 70y.
x - 70y = 0