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CMS 2021 7th MA Standard Unit BA- Geometry / 12 of 20
A ceiling fan is pictured below. The tip of one of the fan blades is labeled point A.
Point A is 28 inches away from the center of the fan. How far does point A on the fan travel when the fan blades make one full revolution?
A 87.92 inches
B. 175.84 inches
C. 168 inches
D. 351.68 inches

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?