Resources Needed per Standard Shipment

$\backslash$table$[[$Class of Container,$\backslash$table$[[$Packing$],[$Material $($pounds$)]],\backslash$table$[[$Packing$],[$Time $($hours$)]]],[$A$,2,2],[$K$,1,6],[$T$,3,4],[$Total amount of resource,$120$ pounds,$210$ hours$]]$

Hugh Leach, head of the firm, must decide the optimal number of each class of container to pack each week. He is bound by the previously mentioned resource restrictions but also decides that he must keep his $6$ full$-$time packers employed all $210$ hours $(6$ workers $35$ hours$)$ each week.

Objective function:

Maximize $Z=$