Ella started making a birthday card for a friend at 7{:}19\text { p.m.}7:19 p.m.7, colon, 19, start text, space, p, point, m, point, end text and finished making the card at 7{:}53\text { p.m.}7:53 p.m.7, colon, 53, start text, space, p, point, m, point, end text how long did ella spend making the birthday card? minutes