You get paid once every two weeks. A worker is paid $2 for every 100 envelopes stuffed. Slot machines at casinos payoff after an unknown number of plays. Students are released from class when the end-of-period bell rings. A fly fisherman casts and reels back his line several times before catching a fish. You get a nickel for every soda can that you return. Every time you buy a sandwich, you get your card punched; after 10 punches you get a free sandwich. Sometimes the mail is delivered at 1:00, sometimes closer to 2:00.

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?

The answer is fast food restaurants use technology designed to reduce the need for skilled labor.