Answer:
$97.20
Explanation:
he pays 90 dollars for the jacket
sales tax is 8% of the 90 dollars that he payed
so we can convert 8% to a decimal by moving the decimal 2 to the left. 8% to 0.08
now multiply 90*0.08 to find the sales taxes
90*0.08= 7.20
so we just add $7.20 to $90
and we get $97.20