Math, asked by madhukartiwari34, 8 months ago

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

Answers

Answered by ashutoshmishra24

7

Answer:

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Step-by-step explanation:

x/x-3

2x/x+12=4/5

Cross multiplying

10x=4x+48

8/56x=48

x=8

8/5

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