Fatimah and Hairu enjoy Congkak game part 9 (Math Question)

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See the posting on Fatimah and Hairu play Congkak to know about Congkak game.

You can click and read posting Sarin learns concept of ratio in school  to understand Ratio.

Upper primary school mathematics question UPQ69

After a Congkak game, the number of marbles Sarin has is 6 more than 3 times that of Fatimah’s. The number of marbles that Hairu has is 3 more than 1/6 of Sarin’s. Hairu has 7 fewer marbles than Fatimah. How many marbles do Hairu have and how many do they have altogether?

Solutions:

                       Per the above model,

                       1 unit = 3 + 1 + 7 = 11

                       Total marbles = 9 × 11 + 3 +1 + 6 = 109

                       Sarin = 6 × 11 = 66 + 6 = 72

                       Fatimah = 2 × 11 = 22

                       Hairu = 12 + 3 = 15

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