2घ) QUESTÃO: Cinco torneiras idênticas enche um tanque em 6 horas. Em quanto tempo quatro (4) tomeiras encheriam o mesmo tanque?

(1) \( 65-65=\square \)

\( \$ 272 \div 85 = \)

Work out \( \frac{2.56 \times 10^{6} \times 4.12 \times 10^{-3}}{1.6 \times 10^{-2}} \) Give your answer in standard form.

(b) Work out \( \frac{2.56 \times 10^{6} \times 4.12 \times 10^{-3}}{1.6 \times 10^{-2}} \) Give your answer in standard form.

\begin{tabular}{l} Drinks! \\ Which is the better buy? \\ 12. oz drink for 1.39 \\ 14 oz. drink for 1.49 \\ \hline 12 oz for 0.23 an ounce \\ \hline 12 ounce for 0.115 an ounce \\ \hline 14 ounce for 0.106\end{tabular}