Arennea Golen's answer to Potato's Primary 6 Maths Ratio Singapore question.
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1. You can make the ratios consist of the same units by ensuring that the units of girls in the end = 80% of units of girls at first
2. Since units of boys decreases from 4 to 2, 2u = 170
3. Manipulate from there to see total number of kids in the end :)
2. Since units of boys decreases from 4 to 2, 2u = 170
3. Manipulate from there to see total number of kids in the end :)
Date Posted:
3 years ago
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