Answer:
as many as there is possible

The given Angles (4x + 2) and (3x + 3) are forming linear pair, so
now, let's find Angle DCB :
All you have to do is figure out how much flour goes into one cake and multiply it by 28. If you would like me to show you message me.
The work is shown in the attached images. Each equation is labeled for slope intercept and standard form
y=-1/5x +18/5
5y+x=18