Yang is a car salesperson at Honda dealership. He earns monthly salary of $2,400 and an $250 bonus for each vehicle he sells to a customer. 1. Create an equation to represent the total earnings, t, Yang can make selling v, vehicles in one month. 2. How many vehicles does Yang need to sell in a month to earn a total of $5150?
3. How many vehicles does the salesperson need to sell in a month to earn at least $6000? Write an inequality and solve algebraically using inverse operations.