Create a standardized mortality rate to compensate for the age differences between the two cities.

\begin{tabular}{|l|r|r|r|r|} \hline & Per 100,000 & Per 100,000 & Per 100,000 & Per 100,000 \\ \hline & City A Populatior City A death count & City B Population & City B Death rate \\ \hline Under 5 & 22,369.50 & 117 & 151,160.40 & 499 \\ \hline Under 18 & 67,508.20 & 91 & 516,464.90 & 344 \\ \hline 65 years and over & 65,510.90 & 13,597 & 233,039.06 & 3,711 \\ \hline Female persons & 198,130.60 & 8,778 & 1,053,924.40 & 10,536 \\ \hline & & & & \\ \hline \end{tabular}