Where is the 1 $ gone?

[C Namikaze14]

Holy shiz, my brain's hurting. @_@

 

[UzumakiZoey]

mother's money = 50-1 = 49
father's money =50-1 = 49
Total= 49 + 49 = 98
CPrice of shirt = 97
You kept = 1
So one equation is 49+49 = 97 + 1 = 98
or 50+50-1-1 = 97 +1 = 98
Or 50 + 50 = 97 + 1 + 1 + 1

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[aVague]

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no , it's ok to understand, train your mind