aimeeggdixonn aimeeggdixonn 16-05-2023 Mathematics Answered The time taken for a kettle to boil is inversely proportional to the power, in Watts (W), of the kettle. It takes 180 seconds for a 2000 W kettle to boil a litre of water. How long would it take for a 1600 W kettle to boil a litre of water?