It costs 30 pesos to enter a currency exchange building. once there, you can exchange 20 pesos for 1 dollar. how many pesos are required to get z dollars? (write your answer as an expression)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

What is the relationship between all triangles that can be drawn given the same three angles

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.