Rachel
About
Khan Academy on a Stick
Mixture problems 3
Mixture problems 3
More equation practice
Mixture problems 2
Basic rate problem
Early train word problem
Patterns in sequences 1
Patterns in sequences 2
Equations of sequence patterns
Finding the 100th term in a sequence
Sum of consecutive odd integers
Challenge example: Sum of integers
2003 AIME II problem 1
Bunch of examples
Mixture problems 3
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