PSLE Math 2019 Paper 2 Question 10
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(Chess Club Boys and Girls Percentage and Ratio Question)
PSLE Math 2019 Paper 2 Question 10
(a) Ans: Decrease
Before (boys) → 4/5 × 100% = 80%
After (boys) → 3/4 × 100% = 75%
(b) Ans: 54
9u - 8u = 1u
1u → 6
9u → 6 × 9 = 54