SOLUTION: What number should be added to 18:22 so that the ratio becomes 3:2?

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Question 1100193: What number should be added to 18:22 so that the ratio becomes 3:2?
Found 3 solutions by jorel1380, ikleyn, Shin123:
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be the number. Then:
18+n:22+n=3:2
18+n/22+n=3/2
66+3n=36+2n
n=-30
-30 is the number
☺☺☺☺

Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
Your problem in the post is formulated INCORRECTLY.

The correct formulation is THIS: 

    What number should be added to the numerator and denominator of the fraction 18:22 so that the ratio becomes 3:2?


Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
Number is n.
18+n:22+n=3:2
18+n/22+n=3/2
66+3n=36+2n
66+n=36
☺☺highlight%28n=-30%29☺☺