Una piscina portátil ha tardado en llenarse seis horas utilizando cuatro grifos iguales. ¿Cuántos grifos, iguales a los anteriores, serian necesarios para llenarla en 3 horas?

Bonnie bought a 13-pound turkey for \( \$ 0.85 \) per pound. How much money did she pay for the turkey? \( \begin{array}{ll}\text { A. } \$ 11.05 & \text { B. } \$ 13.85 \\ \text { C. } \$ 33.00 & \text { D. } \$ 110.05\end{array} \)

5. Julie splits 6 cups of doy foud equally between 4 dog bowls. The red bowl already has \( \frac{1}{4} \) cu of dog food in it. How many cups of dog food are now in the red bowl?

Write an expression to match, and then evaluate a. \( \frac{1}{6} \) the sum of 16 and 20

7) Realizar las siguientes divisiones, y expresar el resultado en notación cientifica: a) \( \frac{6 \times 10^{5}}{3 \times 10^{2}} \) b) \( \frac{8 \times 10^{-7}}{2 \times 10^{-9}} \) c) \( \frac{3 \times 10^{6}}{6 \times 10^{15}} \) d) \( \frac{3.5 \times 10^{15}}{7 \times 10^{20}} \) e) \( \frac{\left(2,49 \times 10^{3}\right)\left(2 \times 10^{-18}\right)}{5 \times 10^{-10}} \) f) \( \frac{6,3506 \times 10^{-5}}{5,62 \times 10^{-12}} \)

Walter pays \( \$ 2.53 \) to ship a package that weighs 5.5 ounces. Which is the cost to ship 1 ounce? A) \( \$ 4.60 \) B) \( \$ 0.43 \) C) \( \$ 4.60 \) D) \( \$ 0.46 \)