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Brownie Bake

Solution

Name	Kind	Fraction
Austin	Nuts
Noah	Mint
Isaac	Chocolate Chip
Emily	Plain
Sandra	Plain

Explanation

1. The girls both cut their brownies into sixths.
   These must be the girls' brownies:
2. Half of Noah's mint brownies are left.
   These must be Noah's brownies.
   They are mint.
   
   
3. Isaac does not like nuts, so he did not put nuts in his brownies.
   Skip this clue for now.
   
   
4. Sandra's brownies are the ones with the most left.
   These must be Sandra's brownies.
   They have the most left.
   

   So these must be Emily's brownies. The brownies are cut into sixths, but there are fewer than Sandra's.

   
   
   
5. There are more chocolate chip brownies left than brownies with nuts.
   These are the only 2 left:
   

   	More of these brownies are left. They must be chocolate chip.

   
   
   
6. Since Isaac did not put nuts in his brownies, the chocolate chip brownies must be his.
   These must be Isaac's.
   
   
7. The only brownies left must be Austin's.
   They must be the brownies with nuts.
   These must be Austin's.