Question

12.

Answer 1

Answer:

6

chaperones will be needed.

Step-by-step explanation:

1 to 25 students require (at least) 2 chaperones.

26 to 50 students require (at least) 4 chaperones.

51 to 75 students require (at least) 6 chaperones.

This is an example of use of the ceiling function.

The ceiling of a value  

x

(sometimes written as  

⌈

x

⌉

) is defined as the smallest integer greater than or equal to  

x

.

In the given example we are asked for

XXX

2

×

⌈

53

25

⌉

XXXXXXXXX

which is  

6