Total work amount
6 men * 14 days
84 men days
If it is done within 21 days, need x men
84 men days = x men * 21 days
x = 84/21 men
x = 4 men
225.45
+90.32
______
315.77
Nearest whole number
316
Answer:
1728
Step-by-step explanation:
2
r h
2
(11) × 14
968
B=
B=
11^2 =121
S=2
rh + 2
S=968 +2 x 121
S=968 +242
= 1728
<span>nth term = 7n - 3
n = 1,2,3,4....</span>