After midnight, the cost of any taxi journey increases by $$\(45 \%\)$$. One journey costs $$\(\$ 84.10\)$$ after midnight. Calculate the cost of the same journey before midnight. $$\(\$\)$$ .............................................
Exam No：0580_s21_qp_41 Year：2021 Question No：1(c)
Answer:
58
Knowledge points:
E1.12.1 Calculate a given percentage of a quantity.
E1.12.2 Express one quantity as a percentage of another.
E1.12.3 Calculate percentage increase or decrease.
E1.12.4 Carry out calculations involving reverse percentages. (e.g. finding the cost price given the selling price and the percentage profit.)
Solution:
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