Selma's class is making care packages to give to victims of a natural disaster. selma packs one box in 5 minutes and has already packed 12 boxes. her friend trudy packs one box in 7 minutes and has already packed 18 boxes. how many more minutes does each need to work in order to have packed the same number of boxes?

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.