First calculate after tax tire price
$390.60 / 4 = $97.65 after tax price per tire
take the $97.65 divided by 90
97.65 / 90 = 1.085
1.085 is the rate of tax he paid per tire
Answer: 99.7%
Step-by-step explanation:
Edg 2020
Answer: $75.14
Step-by-step explanation:
to find out how much luis is saving with the discount you do
79.99 * 0.12
and get around 9 ish dollars
after that you do sales tax and get $75.14 dollars hope this helped <3