Two numbers are in the ratio 4:5. If 7 is subtracted from each of them, then the ratio becomes
3.4. Find the numbers,
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Answer:
Nos. 4x and 5x
7 is subtracted, 4x-7 and 5x-7
4x-.7/5x-7=3/4
4(4x-7)=3(5x-7)
16x-28 = 15x-21
16x-15x=-21+28
x = 7
Nos. 4x = 28
5x=35
Nos are 28 and 35
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