QUICK SER SPANISH QUIZ

Modelo eduardo no supo (saber) como romper con su novia. question 1 (2 points) question 1 options: liliana no (poder) llegar a la fiesta de cumpleaños de esteban. question 2 (2 points) question 2 options: las chicas (conocer) a muchos estudiantes en la biblioteca. question 3 (2 points) question 3 options: raúl y marta no (querer) invitar al padre de raúl a la boda. question 4 (2 points) question 4 options: lina (saber) ayer que sus tíos se van a divorciar. question 5 (2 points) question 5 options: (nosotros) (poder) regalarle una bicicleta a marina. question 6 (2 points) question 6 options: maría (querer) cortar con su novio antes del verano.

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Achemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. what is the value of x, the acid concentration of the first solution