Answer:
take 47.99 x .20 = 9.598
$9.60 off
then take 47.99 - 9.60 = $ 38.39
take 38.39 x .06 = 2.3034
$ 2.30 (tax)
add 38.39 + 2.30 = $40.69 or $40.70 is the final purchase price
(the two amounts depends on your choice answer or how it is rounded)
Explanation: