Tom’s dad is putting crown molding around the top of all of the walls in Tom’s bedroom. The dimensions of his bedroom are shown.
A rectangle that is eleven and three-fourths feet wide and fifteen and three-fourths feet long.
Each foot of crown molding costs $0.85. What is the total cost of the crown molding?
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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?