AC Lim's answer to Triston koh's Primary 5 Maths Rate & Ratio Singapore question.
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Hope this help
Date Posted:
6 years ago
Ia that all of the equation?
Total salary = 25u
Wallet 20% = 5u
Bag 5u+$20
Shoe = 6u (ratio wallet: shoe =5:6)
Left =844
Because we don’t know $20 is how many u
So 844+20= 9u
Wallet 20% = 5u
Bag 5u+$20
Shoe = 6u (ratio wallet: shoe =5:6)
Left =844
Because we don’t know $20 is how many u
So 844+20= 9u
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