Question

The following table lists foreign exchange rates between U.S. dollars and British pounds (GBP) during April. $$\begin{array}{ll} \text { Date } & \text { U.S. Dollars per GBP } \\ \hline 4 / 1 & 1.9564 \\ 4 / 4 & 1.9293 \\ 4 / 5 & 1.914 \\ 4 / 6 & 1.9374 \\ 4 / 7 & 1.961 \\ 4 / 8 & 1.8925 \\ 4 / 11 & 1.8822 \\ 4 / 12 & 1.8558 \\ 4 / 13 & 1.796 \\ 4 / 14 & 1.7902 \\ 4 / 15 & 1.7785 \\ 4 / 18 & 1.7504 \\ 4 / 19 & 1.7255 \\ 4 / 20 & 1.6914 \\ 4 / 21 & 1.672 \\ 4 / 22 & 1.6684 \\ 4 / 25 & 1.6674 \\ 4 / 26 & 1.6857 \\ 4 / 27 & 1.6925 \\ 4 / 28 & 1.7201 \\ 4 / 29 & 1.7512 \\ \hline \end{array}$$ Which day would have been the best to convert $\$ 200$ into British pounds? Which day would have been the worst? What would be the difference in pounds?

          The following table lists foreign exchange rates between U.S. dollars and British pounds (GBP) during April.  
$$\begin{array}{ll}
\text { Date } & \text { U.S. Dollars per GBP } \\
\hline 4 / 1 & 1.9564 \\
4 / 4 & 1.9293 \\
4 / 5 & 1.914 \\
4 / 6 & 1.9374 \\
4 / 7 & 1.961 \\
4 / 8 & 1.8925 \\
4 / 11 & 1.8822 \\
4 / 12 & 1.8558 \\
4 / 13 & 1.796 \\
4 / 14 & 1.7902 \\
4 / 15 & 1.7785 \\
4 / 18 & 1.7504 \\
4 / 19 & 1.7255 \\
4 / 20 & 1.6914 \\
4 / 21 & 1.672 \\
4 / 22 & 1.6684 \\
4 / 25 & 1.6674 \\
4 / 26 & 1.6857 \\
4 / 27 & 1.6925 \\
4 / 28 & 1.7201 \\
4 / 29 & 1.7512 \\
\hline
\end{array}$$
Which day would have been the best to convert $\$ 200$ into British pounds? Which day would have been the worst? What would be the difference in pounds?

Added by Lisa W.

Question

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