An lco flat screen tv at best buy increased in price from $900 to $1,200. what was the percent of increase?

The percent increase is 33.3333333%

The work is attached in the image provided.

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,