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Primary 4 | Maths
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J+P=$525
At first
P/J=1/4=3/12
In the end
P/J=7/12
7/12-3/12=4/12
140÷4=35
3+12=15
15×35=525
Can you notice that before N after
John is fixed
Got nothing changed
So try to align the denominator as 12
3×4=12
Same concept for your other question
Please hv a try
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