2019 5marks CHIJ St Nicholas Girls P6 Paper2 SA1

P6 / CHIJ / 2019 / SA1 / Paper 2 – Q17 [5 marks]

Question:

At first, the ratio of the number of marbles in Bag A to the number of marbles in Bag B was 4 : 5. After Zachary took out 16 marbles from Bag A and took out 30 marbles from Bag B, the ratio of the number of marbles in Bag A to the number of marbles in Bag B was 8 : 9.
(a) How many marbles were there in Bag B at first?
(b) How many marbles were there altogether in the end?

Solution:

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