Question

The denominator of a rational number is three less than the numerator if the numerator. If the numerator doubled and the denominator is increased by 15. the new number obtained is 4/5. Find the original rational number.




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Answer 1

x/x-3

2x/x+12=4/5

Cross multiplying

10x=4x+48

8/56x=48

x=8

8/5

ANSWER IS SAME

ANSWER CAN NOT CHANGE IF IT IS DONE IN NOTEBOOK

I THINK THAT YOU CAN UNDERSTAND IN THIS WAY

Answer 2

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