Respuesta :

Answer:

$3.20

Step-by-step explanation:

20%-> .20

15.99*.20

Answer:

$3.20

Step-by-step explanation:

divide 15.99 by 100

[tex]\frac{15.99}{100}[/tex]=0.1599

you now have 1%of the cost

multiply by 20 to get 20%

0.1599*20=3.198

round to 2 decimal places to get the amount he will tip

3.20