SOLUTION: 100:x=25:3

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Question 27009: 100:x=25:3

Answer by tran3209(100) About Me  (Show Source):
You can put this solution on YOUR website!
The problem.
100/x = 25/3
Since this is a proportion you must use cross multiplication to solve for x.
100*3= 25*x
300=25x
25x=300
x=300/25
x= 12