An airplane takes 4 hours to travel a distance of 3200 miles with the wind. The return trip takes 5 hours against the wind. Find the speed of the plane in still air and the speed of the wind. please include work and how to get the answer

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: