Zwen's answer to Darius Chew's Primary 6 Maths Fractions Singapore question.
Ty but still don't understand
100% is different for March and April. 100% for March = 56, 100% for April is 60.
Only 4 boys joined in April because the qn mentioned no. of girls unchanged.
So, 100% for April = 60, so 42 girls is how many %. (Don't look at March % anymore)
100% ÷ 60 = 5/3 (Don't type the % in the calculator)
5/3 * 42 = 70%
The important info in this qn is no. of girls unchaged.
Only 4 boys joined in April because the qn mentioned no. of girls unchanged.
So, 100% for April = 60, so 42 girls is how many %. (Don't look at March % anymore)
100% ÷ 60 = 5/3 (Don't type the % in the calculator)
5/3 * 42 = 70%
The important info in this qn is no. of girls unchaged.
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