A Emilio le sobran 2/3 de una barra de chocolate y le da a su amigo 1/5 de lo que le queda. Si al pedazo de chocolate que le resta a Emilio después de haberle invitado a su amigo le quiere sacar 3/4, ?que fraccionamiento de la barra de chocolate representan estos 3/4?

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Ineed with this problem 21 show steps

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?