unknown5071 unknown5071 06-10-2022 Mathematics Answered national 100 150 50 °C 200 300 Lorna switches her oven on at 5.50 pm. She sets the temperature at 180°C. 250 It takes 15 minutes for the oven to reach a temperature of 180°C.What time will the oven reach a temperature of 180°C? (1)