2. The time of making French briocbe bread varies depending on the ingredients, in particular, the number of portions of sugar and butter. Time needed [in minutes} for three combinations of sugar and butter is given in the table below: Combinations mixing kneading rising alsugar 3.: Shutter 1:1 15 1D sugar 3s butter 11 ll] 1'" sugar a lbutter 3 Q E {a} Find real constants gong\