the ratio of two number is 3 ratio 4 if 5 is subtracted from each number then their ratio becomes 5 ratio 7 find numbers
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3x-5:4x-5=5:7
3x-5 / 4x-5 = 5/7
cross multiply
7(3x-5)=5(4x-5)
21x-35=20x-25
x=10
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