The area of a rectangle with width x and length 5xis 5x? What does the coefficient 5 mean in terms of the problem?
A. The width is 5 times the length
B. The length is 5
C. The total area of the square is 5.
D. The length is 5 times the width

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?