How to solve this Pri 4 problem with (Comparison model with fractions)?

by Mike
(Singapore)

Question: 1/3 of the mass of Mr Raj is equal to 3/4 of the mass of Teddy. Their total mass is 80kg. Find Teddy's mass. (Use comparison model with fractions)



Here's My Answer
by Zach
(Singapore)





Step 1: This question involves the Equal Concept. First, we draw 3 boxes to represent the total mass(3/3) of Mr Raj.

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