options: Apply and extend previous understandings of numbers to the system of rational numbers.

Apply and extend previous understandings of multiplication and division to divide fractions by fractions.

Perform operations on matrices and use matrices in applications.

Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.

Represent complex numbers and their operations on the complex plane.

Reason quantitatively and use units to solve problems.

Use properties of rational and irrational numbers.

Use complex numbers in polynomial identities and equations.

Extend the properties of exponents to rational exponents.

Know that there are numbers that are not rational, and approximate them by rational numbers.

Compute fluently with multi-digit numbers and find common factors and multiples.

Represent and model with vector quantities.

Perform arithmetic operations with complex numbers.

Perform operations on vectors.
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?


correct_option_index: 1