standard_description: Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 × 3 or greater).
problem_activity: Task
[IMG]
Suppose there are 4 tanks and 3 fish in each tank. The total number of fish in this situation can be expressed as $4 \times 3 = 12$.
Describe what is meant in this situation by $12 \div 3 = 4$
Describe what is meant in this situation by $12 \div 4 = 3$


aligns: no