Cold duck airlines flies between tacoma and portland. the company leases planes on a year-long contract at a cost that averages $600 per flight. other costs (fuel, flight attendants, etc.) amount to $550 per flight. currently, cold duck's revenues are $1,000 per flight. all prices and costs are expected to continue at their present levels. if it wants to maximize profit, cold duck airlines should:

$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?

This question seems like it should be quite hard although it reall just wants you to subtract.92-8.7=83.3

In line with other previous and contemporaneous proposals, in 1912 the meteorologist  alfred wegener  amply described what he called continental drift, expanded in his 1915 book the origin of continents and oceans and the scientific debate started that would end up fifty years later in the theory of plate tectonics.