AC Lim's answer to Matthias's Primary 5 Maths Rate & Ratio Singapore question.

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AC Lim
Ac Lim's answer
13088 answers (A Helpful Person)
1st
Bill = 8u = 40
1u= 40/8= 5
Greg = 11u
= 11 x 5 = 55

55-40= 15
Ans: 3
Matthias
Matthias
5 years ago
Hi cant see the answer