Respuesta :

To find 15% u should find 10% by dividing by 10 and then half that for 5%
$2.20 +$1.10 = $3.30
So he left $3.30 tip!

Lmk if anyone got something different :)

Answer:

$2.20 +$1.10 = $3.30

So he left $3.30 tip!

Step-by-step explanation: