Toes, brainilest, points. you want it or not?

Ineed with number 6 , explain how to get 1978

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?