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March 31, 2015

March 31, 2015

Posted by **betty** on Thursday, February 1, 2007 at 9:02pm.

x = number of 32 cent stamps

y = number of 20 cent stamps

==================

x+y = 16

0.32x + 0.20y = 3.92

solve for x and y.

Check my thinking.

x + 20y = 12.25

i don't understand how to get the numbers for x and y

help please

- math -
**Anonymous**, Monday, March 23, 2009 at 6:56pm6 32 cent stamps

10 20 cent stamps

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