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Posted by **Mona** on Sunday, December 9, 2012 at 2:19am.

- math -
**drwls**, Sunday, December 9, 2012 at 2:32amLet the original amounts be M and P.

M + P = 480

P - 20 = 3 M

Subtract the second equation from the first.

M + 20 = 480 - 3 M

4 M = 460

M = 115 rupees

P = 365

- math -
**Anonymous**, Thursday, October 24, 2013 at 4:53am480-20=460

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