ADOLPHUS CHUA's answer to Joshua's Primary 3 Maths Singapore question.
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I hope this solution helps you Joshua.
Take note that some of this equations you can find common parameters. In this case, I multiplied Equation 2 by 2 to make it have the same number of squares as Equation 1.
From there I took Equation 1 - Equation 2 to eliminate the squares to be left with only triangles. Moving on, I solved for the value of one triangle first before solving for the value of one square. I used Equation 2 because it is easier.
Take note that some of this equations you can find common parameters. In this case, I multiplied Equation 2 by 2 to make it have the same number of squares as Equation 1.
From there I took Equation 1 - Equation 2 to eliminate the squares to be left with only triangles. Moving on, I solved for the value of one triangle first before solving for the value of one square. I used Equation 2 because it is easier.
Date Posted:
1 year ago
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