There were 1 200 people in a village. If 40% of them were adults.
how many children were there?
A. 480
B. 720
C.800
D 1 160

720 children

Step-by-step explanation:

40% were adults

So 60% were children

60% of 1200 is 720 children (0.60 x 1200)

the awnser is visionary

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a