Burning fuels in power plants and motor vehicles emits carbon dioxide (co2), which contributes to global warming. the co2 emissions (metric tons per capita) for countries varies from 0.02 in burundi to 44.02 in qatar. although the data set includes 214 countries, the co2 emissions of 15 countries are not available on the world bank database. the data set is too large to display but the data for the first five countries is given. use the full data set with data on the 214 countries to answer the questions.

$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?