Tan Qiao Yi's answer to Candy's Primary 6 Maths Percentage Singapore question.
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Since the total in each day are the same, decrease in number of men = increase in number of women
(Use equal concept)
20% = 1/5 = 3/15
37.5% = 3/8
On monday, M : W = 15 : 8
23u -> 2001
1u -> 2001/ 23 = 87
8u -> 87 * 8 = 696
100% -> 696
137.5% -> 696/100 *137.5 = 957
(Use equal concept)
20% = 1/5 = 3/15
37.5% = 3/8
On monday, M : W = 15 : 8
23u -> 2001
1u -> 2001/ 23 = 87
8u -> 87 * 8 = 696
100% -> 696
137.5% -> 696/100 *137.5 = 957
Date Posted:
4 years ago
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