Tammy, Brian, and Dale have $127 in their wallets. Dale has 3 times what Tammy has. Tammy has $7 less than Brian. How much do they have in their wallets?

Dale: $360

Tammy: $120

Brian:$127

Tammy, Brian and Dale have $127 altogether.

Dale's rule: 3 * what Tammy has (3y y=Tammy's money). 120 * 3=$360

Tammy's Rule: $7 less than Brian (b-7 b = Brian's money). 127 - 7 = $120

Brian has $127 in his wallet because there is no description of what changes in his money.