On a certain day, Mabel asked her domestic helper to record the starting time and ending time of her 9-year-old son Charles routine and activities in the afternoon.<hr> The longest activity took <input min="0" type="number" id ="imp3pg208q4_1" class="lineinput" placeholder="?" /> h and <input min="0" type="number" id ="imp3pg208q4_2" class="lineinput" placeholder="?" /> min.