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primary 5 | Maths | Rate & Ratio
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Mandy
Mandy

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

Please assist and show working clearly.

Date Posted: 6 years ago
Views: 563

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Kam Tian Qiao
Kam Tian Qiao's answer
14 answers (Tutor Details)
1st
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.