abhijitghosal4120 abhijitghosal4120 22-01-2018 Mathematics contestada How many hours were worked by an employee who arrived at 8:10 a.m. and departed at 12:10 p.m.? (a) 4 hours (b) 5 hours (c) 4 hours and 10 minutes (d) none of these. (p. 347)?