Question

HEL LE Maria has 36 episodes of Grey's Anatomy to watch with her friends. They watch 3 episodes each day. Which of the following equations represents the number days, d, it took for them to have 21 episodes left? 0210 - 3 = 36 O 21 - 3d = 36 36 - 3d = 21 36 + 3d = 21 LE

Answer 1

Total episodes: 36

Episodes watched per day: 3

Number of days: d

To represents the number of days, d, it will take for them to have 21 episodes left:

Subtract the episodes watched per day (3d) to the total episodes (36), and that expression must be equal to 21:

36-3d=21