Donna's company reimburses her expenses on food, lodging, and conveyance during business trips. the company pays $50 a day for food and lodging and $0.60 for each mile traveled. donna drove 200 miles and was reimbursed $1,620.

part a: create an equation that will determine the number of days x on the trip. (3 points)

part b: solve this equation justifying each step with an algebraic property of equality. (6 points)

part c: how many days did donna spend on this trip? (1 point)