AC Lim's answer to Choo's Primary 6 Maths Percentage Singapore question.
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Shoe 100% = $40
Discount 25% = 40×75/100 = $30
60% of shoe at $40 = 60%×$40= $2400%
40% of shoe at $30 = 40%×$30=$1200%
Therefore,
$2400% + $1200% = $2160
3600% = 2160
1% = 2160÷3600 = 0.6
Shoe sold on discount = 40%
= 40×0.6
= 24 pairs.
Hope this helps.
Discount 25% = 40×75/100 = $30
60% of shoe at $40 = 60%×$40= $2400%
40% of shoe at $30 = 40%×$30=$1200%
Therefore,
$2400% + $1200% = $2160
3600% = 2160
1% = 2160÷3600 = 0.6
Shoe sold on discount = 40%
= 40×0.6
= 24 pairs.
Hope this helps.
Date Posted:
3 years ago
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