PSLE Math 2022 Paper 2 Question 15
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(Muthu Files Fraction Question)
PSLE Math 2022 Paper 2 Question 15
a) Ans: 1//21
6 pens -> 4/7 of his money
2 pens -> 4/7 ÷ 3 = 4/21
4 pens -> 4/21 x 2 = 8/21
3 files -> 1 - 4/7 - 8/21 = 1/21
b) Ans: 75
1/21 of money -> 3
21/21 of money -> 3 x 21 = 63 (paid)
Free -> 63 ÷ 5 = 12
Total files -> 63 (paid) + 12 (free) = 75