The Fraction

The denominator of a Fraction is greater than the numerator by 4. if 11 is added to the numerator and one subtracted from the denominator, the value of the fraction obtained is 7/3. What is the original fraction?

Correct answer:

x =  3/7

Step-by-step explanation:

d=4+n (11+n)=7/3 (d1)  dn=4 7d3n=40  Pivot:Row1Row2 7d3n=40 dn=4  Row271 Row1Row2 7d3n=40 0.57n=1.71  n=0.571428571.71428571=3 d=740+3n=740+3 3=7  d=7 n=3  x=dn=73=0.4286

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