The sum of the numerator and denominator of a fraction is 4 more than twice the numerator. If the numerator and denominator are increased by 3, they are in the ratio 2:3. Determine the fraction .
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5/9
x+y=2x+4
⇒y=x+4
x+3= 3/2
3x+9=2y+6⇒3x−2y=−3....eq2
Substitute the value of y
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Step-by-step explanation:
Correct question:-
The sum of the numerator and denominator of a fraction is 4 more than twice the numerator. If the numerator and denominator are increased by 3, they are in the ratio 2:3. Determine the fraction ?
Correct answer:-
Let numerator =x and denominator= y
∴Fraction=yx
To find:-
According to the first condition:-
⇒x+y=2x+4
⇒y=x+4 .eqeation 1
According to the second condition
⇒y+3x+3=32
⇒3x+9=2y+6⇒3x−2y=−3.eq2
Substitute the value of y from eq1 to eq2
⇒3x−2(x+4)=−3⇒3x−2x+8=−3⇒x=5
Put x=5 in eq1
⇒y=5+4⇒y=9
Hence,fraction=95
Required answer:- Fraction is 95
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