standard_description: Use square root and cube root symbols to represent solutions to equations of the form x^(2) = p and x^(3) = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that Ö2 is irrational.
problem_activity: Task
Decide which of the following equations best represents each situation.
{"table": [{"tbody": [{"tr": [{"td": [{"_value": "$$x + 2= 10$$"}, {"_value": "$$x=10+2$$"}, {"_value": "$$2\\cdot10=x$$"}]}, {"td": [{"_value": "$$x+10=2$$"}, {"_value": "$$10x=2$$"}, {"_value": "$$2x=10$$"}]}]}]}]}
After Lou poured 2 liters of water into a large jug, the jug contained 10 liters of water. How many liters were in the jug to start?
Clara ran 10 miles, which was twice as far as Nina ran. How far did Nina run?


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