SOLUTION: the interest on Rs3000 for one year is Rs210. what is the interest on Rs4500 for a year.

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Question 717683: the interest on Rs3000 for one year is Rs210. what is the interest on Rs4500 for a year.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3000/210=4500/x
3000x=945000
cancel zeros
x=945/3
x=315