Ana caminó 4.2 kilómetros el lunes y 3.8 kilómetros el martes. ¿Cuántos kilómetros caminó en total durante los dos días?

Convert the fraction below into a decimal \[ \frac{21}{40} \]

13) Darrez paid \( \$ 7.99 \) for 3 slices of pizza and \( \$ 1.74 \) for some pop. How much did he spend?

What is the value of \( 8 / 15 \) divided by \( 4 / 5 \) ? \( \begin{aligned} \text { a } & 32 / 60 \\ \text { b } & 2 / 3 \\ \text { c } & 8 / 15 \\ \text { d } & 17 / 15\end{aligned} \)

\( \left. \begin{array} { l } { 5 } \\ { 3 } \end{array} \right. \times \frac { 6 } { 8 } \times ( \frac { - 2 } { 3 } ) \)

4. Ms. Bailey has a flight from New York to Paris that covers the distance shown in 7 hours. If the plane travels at the same speed per hour, how many miles will Ms. Bailey travel after 4 hours? Show your work.