Thursday, February 9, 2012

2011 PSLE Maths Question 1 Sakamto Method

1. There are 5 tins of marbles, each tin with same number of marbles in them. 18 marbles were taken away from each of them, and in the end, these 5 tins have the same number of marbles as original number of marbles of two tins. How many marbles were there in each tin at first?

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Q7 PSLE Questions best solved using Sakamoto method

Answer: