In a sale the original prices are reduced by $$\(15 \%\)$$. Calculate the sale price of a book that has an original price of $$\(\$ 12\)$$. $$\(\$\)$$ .............................................
Exam No：0580_s20_qp_42 Year：2020 Question No：1(b)(i)
Answer:
\(10.2[0]\)
Knowledge points:
E1.12.3 Calculate percentage increase or decrease.
Solution:
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