2011SP-I-04

16-06-2021 app.cch No Comments

Ans: (a)

$ 400

(b)

15 %

The cost of the handbag
$\begin{array}{cl} = & $ 560 \div (1 + 40 %) \\ = & $ 400 \end{array}$
The percentage profit
$\begin{array}{cl} = & \frac{$ 460 - $ 400}{$ 400} \times 100 % \\ = & 15 % \end{array}$

2011SP, HKDSE-MATH, Paper 1 Percentage