Dog Treats

Solution

Abby had 5 treats left.
Carter had 6 treats left.
Scott had 4 treats left.
Tracey had 3 treats left.

Abby's dog did 5 tricks. 10 to start-5 tricks done 5 treats left

Scott's dog did 6 tricks. (Abby's + 1 = 6 tricks)10 to start-6 tricks done 4 treats left

Carter's dog did 4 tricks. (Scott's - 2 = 4 tricks) 10 to start-4 tricks done 6 treats left

Tracey's dog did 5 tricks. (Carter's + 3 = 7 tricks) 10 to start-7 tricks done 3 treats left