standard_description: Use the relation i^(2) = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
problem_activity: Task
It requires $\frac14$ of a credit to play a video game for one minute.
Emma has $\frac78$ credits. Can she play for more or less than one minute? Explain how you know.
How long can Emma play the video game with her $\frac78$ credits?


aligns: no