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primary 5 | Maths | Rate & Ratio
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Leow Wen Ze
Leow Wen Ze

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

Pls assist. Thanks

Date Posted: 6 years ago
Views: 648
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AC Lim
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13086 answers (A Helpful Person)
1st
Correct?
Leow Wen Ze
Leow Wen Ze
6 years ago
Does this make sense?
12:15 diffence =3
90:18 difference =72

3 units = 72
1unit = 72/3=24

Pocket money= 24X12+ 90=378
AC Lim
AC Lim
6 years ago
Yes. Is better way to solve this question. Great