A bar graph titled, Bubbles blown by each gum chewer, plots Number of bubbles, versus Person, for 4 people; Manueala, Sophia, Jada, and Hannah. Bar heights are approximately as follows: Manueala, 4; Sophia, 5; Jada, 6; Hannah, unknown. A bar graph titled, Bubbles blown by each gum chewer, plots Number of bubbles, versus Person, for 4 people; Manueala, Sophia, Jada, and Hannah. Bar heights are approximately as follows: Manueala, 4; Sophia, 5; Jada, 6; Hannah, unknown. If the mean of the data set is 444 bubbles, find the number of bubbles Hannah blew. \qquad bubbles
