Martin Teo's answer to Beepboop's Primary 5 Maths Rate & Ratio Singapore question.
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Between 8 : 5 is a difference of 3 ratio (3 shares) which is equal to 45. Which is the difference between the B and G.
Hence i share is 45/3 = 15
U can then take 8 x 15 = 120 boys
and 5 x 15 = 75 girls which gives a difference of 45
Hence i share is 45/3 = 15
U can then take 8 x 15 = 120 boys
and 5 x 15 = 75 girls which gives a difference of 45
Date Posted:
4 years ago
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