If a new surfboard in North Carolina costs $320 and the sales tax is 4.75%, what was the total cost of the surfboard? A.$335.20
B.$304.80
C.$321.25
D.$342.40

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?