Question
A housewife saved Rs. 2.50 in buying a dress on sale. If she spent Rs. 25 for the dress, approximately how much percent she saved in the transaction ?
Answer: Option B
House wife spends Rs. 25 on dress and saved Rs. 2.50
Total transaction = 25 + 2.50 = Rs. 27.50
$$\eqalign{
& {\text{Save }}\% = \frac{{2.50}}{{27.50}} \times 100 \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{100}}{{11}}\% \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 9\% {\text{ ( approx)}} \cr} $$
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House wife spends Rs. 25 on dress and saved Rs. 2.50
Total transaction = 25 + 2.50 = Rs. 27.50
$$\eqalign{
& {\text{Save }}\% = \frac{{2.50}}{{27.50}} \times 100 \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = \frac{{100}}{{11}}\% \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 9\% {\text{ ( approx)}} \cr} $$
Was this answer helpful ?
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