A Philips's answer to Norynne's Primary 5 Maths Rate & Ratio Singapore question.
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75 X 4 = 300
300-83-78 = 139
From here there are many possibilities:-
Math 79, 78, 77, 76, 75 .........
Sci. 60, 61, 62, 63, 64 ..........
Any 70s and 60s that add up to 139
300-83-78 = 139
From here there are many possibilities:-
Math 79, 78, 77, 76, 75 .........
Sci. 60, 61, 62, 63, 64 ..........
Any 70s and 60s that add up to 139
Date Posted:
4 years ago
i need the working and answers
Sorry. Working and steps were clearly shown
Okay
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