250 lunches. There are two choices for lunch – a hamburger or a piece of pizza. The hamburger will cost you $3.00 and the pizza will cost $1.50. The cafeteria has a budget of at most $900 for lunch. A) The information can be modeled with a system of inequalities. When x is the number of Hamburgers sold, and y is the number of pizzas sold, two of the inequalities that model the situation are x ≥ 0 and y ≥ 0.

Write two more inequalities to complete the system.

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment.b. the allocation of resources between private markets and the public sector.c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t.d. differences in productivity.e. ones that think at the margin and respond to incentives and those that don’t.