I don’t know the awnser but have a great day and never give up :)
Answer:
2 hours, 26 minutes
Step-by-step explanation:
2 boxes of 21 parts = 42 total parts
3 minutes per part = 42 x 3 = 126 minutes
10 minutes per box to package = 10 x 2 = 20 minutes
126 + 20 = 146 minutes
2 hours = 120 minutes
146 - 120 = 26
Final Answer: 2 hours, 26 minutes
(4x+y)+5
20x+5y
20x+5y+0
third term is zero
D is the answer hope this helps