Kim bought an outfit that cost $24.50. She had to pay 6.55% sales tax.

What was the total amount of her purchase?
a. $1.60
b. $26.10
c. $28.24
d. $31.05

The amount of sales tax Kim had to pay is:

$24.50 x 0.0655 = $1.60

So the total amount of her purchase is:

$24.50 + $1.60 = $26.10

Therefore, the answer is b. $26.10.