SOLUTION: I am having trouble solving this ratio problem----Find a number if 9 is added to it and subtracted from it, the results are in the ratio 3:2. Thank you!!

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: I am having trouble solving this ratio problem----Find a number if 9 is added to it and subtracted from it, the results are in the ratio 3:2. Thank you!!       Log On


   

Question 490437: I am having trouble solving this ratio problem----Find a number if 9 is added to it and subtracted from it, the results are in the ratio 3:2.
Thank you!!
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(n + 9) / (n - 9) = 3 / 2

"cross" multiplying ___ 2n + 18 = 3n - 27

45 = n