22. Model Real Life Two girls are getting braids in their hair. The first girl wants a total of 30 beads with 3 beads on each braid. The second girl wants a total of 45 beads with 5 beads on each braid. Which girl gets more braids?

8) Choose the correct answer. Shen is one year older than Chai Yenn, while Chai Yenn is half Li's age. What more do you need to know to figure out their ages?

5. a) \( -2-3+4+2-6 \)

8. Observa los neologismos resaltados en este párrafo e investiga luego su significado y procedencia. Ayer Musk logró exitosamente lanzar el masivo Falcon Heavy, el cual portaba un Tesla Roadster, el cual fue liberado al espacio con un robot "Starman" y música de David Bowie. Una especie de gag para extraterrestres.

(iii) \( \left\{\begin{aligned} x_{1}-5 x_{2}-x_{3}+12 x_{4}-x_{5} & =-4 \\ -2 x_{1}+10 x_{2}+3 x_{3}-33 x_{4}+2 x_{5}+x_{6} & =4 \\ x_{3}-9 x_{4}+x_{5} & =8 \\ x_{1}-5 x_{2}+2 x_{3}-15 x_{4}+2 x_{5}+x_{6} & =14\end{aligned}\right. \)

1.3 Write \( 1,2 \dot{3} \) in form of \( \frac{a}{b} \)