Did you get it right?
This change-counting puzzle asks you to subtract the bill from the amount paid. The cents make it worth slowing down.

The Answer
The correct answer is: $21.30.
Here is why
- 50.00 – 28.70 = 21.30
Why people miss it
Most wrong answers come from rushing the cents or subtracting in the wrong direction.
What answer did you get before checking?