The total amount paid by a customer who purchased a CD player at $142.00 and sales tax of 5.5% is $149.81
Amount of sales tax = 5.5% of $142.00
= 5.5/100 × 142
= 0.055 × 142
= $7.81
Total amount paid by customers = Cost of CD player + Amount of sales tax
= $142.00 + $7.81
= $149.81
Learn more about sales tax:
https://brainly.com/question/1700984
#SPJ1