Homework Help: math

Posted by Katie on Tuesday, September 27, 2011 at 4:22pm.

Doug has 170 stamps in his collection. His first book of stamps has 30 more stamps in it than his second book how many stamps are in each book. how do you figure out what P is? Divide 170 by 2?

math - Ms. Sue, Tuesday, September 27, 2011 at 4:33pm
Let x = the second book.

x + x + 30 = 170

2x = 170 - 30

x = 140/2
x = ?

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