What is the percent change from 120 to 80

1/3=33.3%

Step-by-step explanation:

(120-80)/120=40/120=1/3

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,