Of all the students in a class, 2/5 of them walk to school each day. What percent of students
in the class walk to school?
A. 40%
B. 12%
C. 5%
D. 20%

it is 20%

Step-by-step explanation:

easy

i am not sure :

step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.