8. Resuelve este problema y, después, inventa una pregunta. Mi hermana mide 165 cm y mi hermano, que tiene menos edad, mide 141 cm . ¿Cuál es la diferencia entre sus alturas?

14. \( 1 \frac{5}{9} \cdot\left(\frac{9}{14}+\frac{3}{4}\right) \)

Test Practice 17. Becka made 2 cards. She drew 3 balloons on each card. Each balloon had 3 stars. How many stars did Beckg use on her cards altogether? \( \begin{array}{ll}\text { (A) } 15 \text { stars } & \text { (C) } 17 \text { stars } \\ \text { (B) } 16 \text { stars } & \text { (D) } 18 \text { stars }\end{array} \)

15. \( \frac{1}{15}+\frac{6}{5} \div \frac{12}{7} \)

2. Pasar de decimal a racional (Fracción Generatriz) a) 3,235

18. Isaac bought three packages of nuts He bought one package of peanuts the weighed 3.07 pounds. He also bought two packages of pecans that weighed 1.46 pounds and 1.5 pounds. Did the peanuts or the pecans weigh more? Hours much more?