$\backslash$table$[[$Week Of$,$Pints Used$],[$August $31,350],[$September $7,372],[$September $14,408],[$September $21,381],[$September $28,371],[$October $5,371]]$

a$)$ The forecasted demand for the week of October $12$ using a $3-$week moving average $=374\mathrm{.}33$ pints $($round your response to two decimal places$).$

b$)$ Using a $3-$week weighted moving average, with weights of $0\mathrm{.}20,0\mathrm{.}35,$ and $0\mathrm{.}45,$ using $0\mathrm{.}45$ for the most recent week, the forecasted demand for the week of October $12=$ pints $($round your response to two decimal places and remember to use the weights in appropriate order $-$ the largest weight applies to most recent period and smallest weight applies to oldest period.$)$