publix $$supermarketz $$use $$both $$cashiers $$and $$baggers $$to $$serve $$customers $$at $$checkout$.$during $$the $$first $$six $$hours $$of $$each $$work $$day$,$

$5$

$$cashiers $$and $$two $$baggers $$serve $$approximately $$

$19$

$$customers $$per $$hour $$a $$cashier $$and $$a $$bagger $$who $$require $$approximately $$

$5$

$$minutes $$at $$checkout $$and $$

$3$

$$minutes $$at $$bagging $$serve $$each $$customer $$what $$is $$the $$utilization $$of $$the bagger