Rachel
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Khan Academy on a Stick
Constructing and solving equations in the real world 1 exercise
Super Yoga plans
Variables and equations word problem: Putting them to work for Super Yoga
Variables and equations word problem: Which Super Yoga plan is best?
Super Yoga plans: Plotting points
Super Yoga plans: Solving systems by substitution
Super Yoga plans: Solving systems by elimination
Constructing and solving equations in the real world 1 exercise
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