Dave only plays hockey on Tuesday and Wednesday. Ann only plays hockey on Thursday and Sunday. How many days each week does at least one of them play hockey Ex 8

13. Bo'lishni burchakli usulda bajaring: \( \begin{array}{ll}87000: 3 & 12900: 6 \\ 1550: 5 & 648000000: 8\end{array} \) \( \begin{array}{ll}1628000: 4 \\ 150000: 7\end{array} \)

Halla el menor número de páginas de un libro sabiendo que si lo leemos de 11 en 11 páginas y de 13 en 13 páginas, en ambos casos sobra una página.

En un tonel hay 50 hl de nafta. ¿Cuántos bidones de 25 d se podrán llenar con esa cantidad?

13. Bo'lishni burchakli usulda bajaring: \( \begin{array}{ll}87000: 3 & 12900: 6 \\ 1550: 5 & 648000000: 8\end{array} \) \( \begin{array}{ll}16800000: 7\end{array} \)

-ee had R80. He spent R52 on a book. What percentage of his money did he spend on the book? What percentage of his money did he have lett?