Homework Help: Algebra 2

Posted by Larry on Wednesday, October 10, 2012 at 7:52pm.

The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.

Algebra 2 - Larry, Wednesday, October 10, 2012 at 8:16pm
13/17
Algebra 2 - Reiny, Wednesday, October 10, 2012 at 9:18pm
numerator --- x
denominator --x+4

(x+3)/(x+7) = 4/5
5x + 15 = 4x+28
x = 13

fraction was 13/17

check : add 3 to top and bottom ---> 16/20 = 4/5

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