A bike was marked up by [1/2] of the original price in December. If the original price was $360, what did the bike sell for?[ Be sure to include the money sing in ansewer-$]

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1

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,