The price of petrol increased by 2% in a certain week and increased by 4% in the next week. Find the net percentage increase in the price of petrol over these two weeks.
Answer & explanation
Correct answer: option 2
Formulae of net effect: x + y + \(\frac{xy }{100 }\)
2 + 4 + \(\frac{8 }{100 }\) = 6.08%