A drive-through at a Fast Food serves 300 customers over a 10-hour day. On average, a customer spends 2 minutes waiting in line, 3 minutes placing the order, and 5 minutes completing the order before leaving the drive-through. How many customers on average are "in" the drive-through (i. e., from the time they enter to the time they exit the drive-through) on atypical day?

For each example, identify the most appropriate ctso.marilyn is a middle-school student who wants to prepare for a career in farming: pasnational ffanyfeafeajanice is a high-school student who wants to start her own business: skillsusatsapasdecaabe is a high-school student who wants to become an information technology worker: hosafcclabpanyfearene wants to teach middle-school classes: feafccladecahosa