Answer:
24
Step-by-step explanation:
78-30=48
48/2=24
each one is 24kg
Answer:
11.25
Step-by-step explanation:
you will divide the total time (45 mintues) by the 4 speakers bc the question said tht each speaker will have the same time (evenly divided time)
P = 12.
So,
15(12) + 70V < 400
V < (400 - 180)/17
V <3.14
So the max number of video can fit is 3.