crt0o, 1 month ago

It’s 6.5

<span style="color:#323232;">| 0  5  1 |   | 0   4   1 |
</span><span style="color:#323232;">| 0  4  1 | + | 4  2.5  1 | = 6.5
</span><span style="color:#323232;">| 1  5  1 |   | 1   5   1 |
</span>

Determinants go brrr