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Primary 5 Problem Sums/Word Problems - Try FREE

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Terry had some 10-kg weights and 2-kg weights in the ratio 4 : 5.

He gave 15 pieces of 10-kg weights to Peter and in return, Peter gave an equivalent mass of 2-kg weights to Terry.

Then, there were 20 times as many 2-kg weights as 10-kg weights.

What is the total mass of all the weights at first?

The correct answer is : 250