Answer:
b
Step-by-step explanation:
because
Answer:
52min
Step-by-step explanation:
5 people..............5 walls............52 min
1 people...............5 walls...........52 x 5=260 min
1 people................20 walls.........260 x 4 =1040 min
20 people................20 walls........1040:20=52 min
-3^3=9
18-9+3•2
9+3•2
12•2
24
then its 658.74 or 6.5874