Another salesperson at the dealership sells vehicles in a month and earns $250 for each vehicle. For the month, the salesperson earns $4200. What is the salesperson's monthly salary? Explain how you found your answer.

Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 each week and puts the remaining money in his savings account. how many hours must he work this week to have at least an extra $50 to put in his savings account