what should be subtracted from terms of ratio 2:5 to make it 5:2?
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may this helps you........
Let the number to be subtracted be x , then =(2-x):(5-x)=5/2
2-x/5-x=5/2
2(2-x)=5(5-x)
4-2x=25-5x
4-25=-5x+2x
-21=-3x
-21/-3=x
7=x
verification:
2-x/5-x
2-7/5-7
-5/-2 [minus canceled]
5/2
Step-by-step explanation:
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