AC Lim's answer to Lee's Primary 6 Maths Percentage Singapore question.

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AC Lim
Ac Lim's answer
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80%—>$212
100%= 212 x100/80 = $265

Discount for oven = 265-212= 53
Discount for fan =88-53= 35
Price for fan before discount =105+35=140
% discount for fan = 35/140 x 100%= 25%
Hope this helps