Answer:
Step-by-step explanation:
sales tax on the shirt= 20(0.09)=1.8 dollars
total cost with sales tax =20+20(0.09)=21.8$
8 Tatami mats are needed to cover the floor.
Pretty sure this is wrong but I got,
$77,184,751.5431
5.25 dollars for the protein shake and 4.5 for the strawberry smoothies