Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{3 x + 9} {4} = 15 $$
Right answer summary: 17
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ \frac{3 x + 9} {4} = 15 $$
Right answer summary: 17
Question state: todo