Kam Tian Qiao's answer to Mandy's Primary 5 Maths Rate & Ratio Singapore question.
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U can see that I divide 1.6kg into +0.2+0.25+0.25+0.25+0.25+0.25+0.15
, the 1st 0.2kg cost sgd4.80 , the rest 0.25kg, 0.15kg cost sgd 3.20 each , add up and youll get sgd24 for one 1.6kg parcel.
, the 1st 0.2kg cost sgd4.80 , the rest 0.25kg, 0.15kg cost sgd 3.20 each , add up and youll get sgd24 for one 1.6kg parcel.
Date Posted:
6 years ago
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