At a pizza eating competition, davonne at four more than twice as many slices at the runner-up. if davonne at 11 slices, then how many slices did the runner up eat?

the runner up ate 4.5

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,