John owns a concession stand where he sells drinks and snacks. he purchases each drink for $0.50 and sells it for $1.25 let p be the profit john makes selling x sodas

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,