Answer:
80 minutes
Step-by-step explanation:
Work done by Mark in 1 minute = 1/120
Work done by Alexis in 1 minute = 1/240
Work done by Mark and Alexis in 1 minute = 1/120 + 1/240

They both can load all the packages in 80 minutes.
Answer:
16.168
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
Angle 1=1/2(108-34)
Angle 1=1/2 74
Angle 1=37