Ben Looi's answer to Suji's Primary 5 Maths Decimals question.

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Ben Looi
Ben Looi's answer
18 answers (Tutor Details)
1st
Draw a model to help. So total mass is red + blue + green.
154.2= 3 X red+ 10.48+ 1.25
3 red= 142.47
So raju 'S mass is 142.47/3 or 47.49