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Durante 4 semanas, William se ofreció como ayudante para clases de natación. La primera semana, se ofreció como voluntario durante 8 horas. Fue voluntario durante 12 horas en la segunda semana y otras 12 horas en la tercera semana. La cuarta semana, se ofreció como voluntario durante 9 horas. ¿Durante cuántas horas fue voluntario por semana, en promedio? Ill translate if needed
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me no speak espanol
not well enough
ill trasnlate
For 4 weeks, William volunteered for swimming lessons. The first week, he volunteered for 8 hours. He volunteered for 12 hours in the second week and another 12 hours in the third week. The fourth week, he volunteered for 9 hours. For how many hours did you volunteer per week, on average?
find the average
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8+12+12+9)/4
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