Ms Ng's answer to Catherine Wee Mui Chin's Primary 6 Maths Ratio Singapore question.
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Use simultaneous equation method.
9u - 18 = 8u + 18
Solve to find u.
9u - 8u = 18 + 18
1u = 36
Daniel --> 9u
= 9 x 36
= 324
9u - 18 = 8u + 18
Solve to find u.
9u - 8u = 18 + 18
1u = 36
Daniel --> 9u
= 9 x 36
= 324
Date Posted:
2 years ago
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