Brew counted 51 birds at the park 27 were geese and the rest ducks. the sucks flew away in groups of 8. how many groups of ducks were there?

A(t)=728(1+0.04)^t how much money did aditya originally invest

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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?