A student concluded that 8x - 12 = 4( 1/2x - 6 ) has infinity many solutions. Which statement best describes the students conclusion? A. The conclusion is incorrect because the equation has no solutions
B. The conclusion is incorrect because there is exactly one solution to the equation
C. The conclusion is correct because there are exactly two solutions to the equation
D. The conclusion is correct because when simplified, both sides of the equation are equivalent

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?