It would be 27/50
54/2 = 27
100/2 = 50
I don’t know I’m sorry I need points look it up on online
When u add it stays the same but for subtraction u change the sign.
Example: 2- (-5)=7
3 CD → $29.98
29.98 - 6.44 = 23.54 → remained
If each CD costs the same amount ... ↓
23.54 ÷ 3 = 7.8466
$7.8466