THIS IS QUESTION:
The price of gasoline increases by 20%. What should be the percentage change in the consumption of gasoline so that the expenditure remains unchanged?
Maths. Percentage change Question
2006-11-02 5:49 am
回答 (1)
2006-11-02 3:59 pm
✔ 最佳答案
The change in consumption should be 1/ (1+20%) - 1 = -16.667% so that the multiplication of these two would become 1
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