Matrices And Determinants

Kiran purchased 3 pencils, 2 notebooks and one pen for ₹41.
From the same shop Manasa purchased 2 pencils, one notebook and 2 pens for ₹ 29 , while Shreya purchased 3 pencils, 2 notebooks and 2 pens for ₹ 44.
The above situation can be represented in matrix form as $A X=B$.
Then $|\operatorname{adj} A|$ is equal to