SOLUTION: I need help figuring out how to do a double division proportion. I know how to do if only one "fraction/division", but not double. ex. 2/5=12/n

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Question 367137: I need help figuring out how to do a double division proportion. I know how to do if only one "fraction/division", but not double.
ex. 2/5=12/n

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, 

%282%2F5%29=%2812%2Fn%29

these are done by cross multiplying

2n = 60

n = 30