3. A local foundation organized a lunch party for all the kids in the community. They ordered a total of 500 burger meals. They ordered plain
bugers at $1.75 each, cheeseburgers at $2.50 each and chicken burgers
at $3.20 each. They ordered mostly cheeseburgers, and 100 fewer chicken burgers than plain burgers. The total order came to $1,72.50.
Define the variables and write a system of equations to represent the
Situation