Se tienen 16 maquinas cuyo rendimiento es del 90%y produce 4800 articulos en 6 dias trabajando 10 horas diarias. Si se desea producir 1200 articulos en 8 dias trabajando 9 horas diarias ¿Cuántas maquinas cuyo rendimiento es del 60% se requieren?

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?

What is the area of the shaded sector?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?