SOLUTION: The numerator of a fraction is 5 times the denominator. If 4 is subtracted from the numerator, and added to the denominator, the resulting fraction is equal to 21/9. Find the ori
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Question 77307: The numerator of a fraction is 5 times the denominator. If 4 is subtracted from the numerator, and added to the denominator, the resulting fraction is equal to 21/9. Find the original fraction
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
(5X-4)/(X+4)=21/9 CROSS MULTIPLY
9(5X-4)=21(X+4)
45X-36=21X+84
45X-21X=36+84
24X=120
X=120/24
X=5 ANSWER
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