2019 3marks Nan Hua P6 Paper2 SA2

P6 / Nan Hua / 2019 / SA2 / Paper 2 – Q15 [3 marks]

Question:

The participants of a competition are divided equally into 2 groups, Group A and Group B. In Group A, there are 30 more boys than girls. In Group B, there are 18 more girls than boys. 3/7 of all the participants are girls. How many participants are boys?

Solution:

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