Koh Fang Yong's answer to 寒冰's Primary 5 Maths Whole Numbers Singapore question.
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Let x be the unknown length of ribbon A.
Let y be the unknown length of ribbon B.
Proceed to come up with the equations 1 and 2(refer to the picture)
Substitute 1 into 2 so that you will only have one unknown variable.
Proceed to solve :)
Let y be the unknown length of ribbon B.
Proceed to come up with the equations 1 and 2(refer to the picture)
Substitute 1 into 2 so that you will only have one unknown variable.
Proceed to solve :)
Date Posted:
5 years ago
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