Maryna spent 1/5 of her money on a book, if she had $80 left after she bought the book, how much money did she have originally

Factor the monomial completely 42a3b3

Based on the figures as marked, /\rqs = —

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?