Answer:
20 years
Star Wars has fully explained why the Death Star took 20 years to make. The Empire's greatest super-weapon, the Death Star was actually in the works long before Palpatine even officially founded the Empire.
It just asks you to write 1 2 3 below each note from 1 through 4. At number 3, add the 3/4 time signature after the clef. At number 4, do the same thing at number 3 but make sure each measure has three beats. it can be easy if you start by writing the 1 2 3 below each note like they shown above.
convenience is your answer, quick service is when you get your food fast so if you think about it the food will not always look good,have everything, and be completely safe because it was made fast.