gtep It Out Miguel and his family take their dog to the park every 3 days. The calendar shows the first day they went this month. What will be the last day of this month that they go to the park?

5. Box \( A \) has a mass of \( 3 \frac{3}{8} \mathrm{~kg} \). The mass of Box \( B \) is \( \frac{5}{6} \) the mass of Box \( A \). How much heavier is Box \( A \) than Box \( B \) ?

6. Six classes, each with 38 pupils, went on an excursion. If one teacher way required to supervise 15 pupils, how many teachers were needed on the excursion?

9) \( \frac{(-3)^{6} \cdot 27^{3}}{81^{2} \cdot 243}= \)

166. En una actividad de integración participan 96 nifias y 112 niños. Hay que formar grupos con igual cantidad de integrantes, de tal forma que cada grupo renga la misma cantidad de nifios y la misma cantidad de nifas, Cuíl es la mayor cantidad de grupos que se puede formar y como estanán conformados?

Сравните числа: \( \begin{array}{lll}\text { а) } \frac{11}{20} \text { и } \frac{7}{12} ; & \text { б) } \frac{11}{18} \text { и } \frac{11}{19} ; & \text { в) } 0,48 \text { и } \frac{25}{24}\end{array} \)