Un taxi cobra \( \$ 12 \) de base más \( \$ 3 \) por cada kilómetro recorrido. Si el total fue \( \$ 24 \), ¿cuántos kilómetros se recorrieron?

E 4 Litun : DIG DEEPER! You can complete one-half of a job in an hour. Your friend can complete one-third of the same job in an hour. How long will it take to complete the job if you work together? Write your answer as a decimal. The job will take hour(s).

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