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Mathematical Puzzles
If a can of soda and stick of gum costs $1.10

 
Tue Nov 03, 2015 8:41 am  by tartle

If a can of soda and stick of gum costs $1.10, and a can of soda costs $1 more than a stick of gum, how much does the stick of gum cost?
 
   
Mon May 02, 2016 9:53 pm  by wanderingmomentum

5 cents
 
   
Thu Jul 14, 2016 2:32 pm  by bathfilms

S + G = 1.10
but S = G + 1

so (G + 1) + G = 1.10

i.e. 2G + 1 = 1.10

2G = 0.10

G = 0.05

So gum costs 5 cents
 
   
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