If 21% of kindergarten children are afraid of monsters, how many out of
each 100 are afraid?

The appropriate answer is "21".

Step-by-step explanation:

Given:

Afraid percentage,

p = 21%

or,

  = 0.21

Sample size,

n = 100

As we know,

⇒

By putting the values, we get

is should be y = 5x

step-by-step explanation:

correct me if im wrong

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,