In a sale, all prices are reduced by $$$15 \%$$$. (a) Yasmin buys a blouse with an original price of $$$\$ 40$$$. Calculate the sale price of the blouse. $$$\$$$$ ............................................. (b) Zak buys a shirt with a sale price of $$$\$ 29.75$$$. Calculate the original price of the shirt. $$$\$$$$ .............................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s21_qp_43 Year：2021 Question No：1(a)(ii)

Answer:

34
35

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.)

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