J's answer to Lee's Primary 6 Maths Percentage Singapore question.
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Originally, each gender's number can be taken as 100%
Men decreased 20%.
Men in 2018 : 100% - 20% = 80%
Women increased 10%
Women in 2018 : 100% + 10% = 110%
Difference = 110% - 80% = 30%
30% → 15
10% → 15 ÷ 3 = 5
Women in 2017 : 100%
100% →5 x 10 = 50
Men decreased 20%.
Men in 2018 : 100% - 20% = 80%
Women increased 10%
Women in 2018 : 100% + 10% = 110%
Difference = 110% - 80% = 30%
30% → 15
10% → 15 ÷ 3 = 5
Women in 2017 : 100%
100% →5 x 10 = 50
Date Posted:
4 years ago
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