Amodel without any simplifying assumptions: a. excludes important predictive variables. b. does not look like the real-world problem it is meant to address. c. is highly complex and likely unworkable. d. provides simplified solutions to complex problems. e. is very for solving tough, real-world problems.

The answer is C.: Is highly complex and likely unworkable
The simplifying assumption is a method that helps us to understand a certain complex system on a much more simpler point of view.
The purpose of creating a model is to make a smaller prototype of an actual system, not the ystem itself. (for example, in a model of Galaxy, it won't include the complex gravitational pulling between the planets)

Ihope this . this is the answer to you question.

$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?