A jacket with an original price of $40.50 discounted by 10%. What is the sale price?

36.45

Step-by-step explanation:

40.50* 0.10 =4.05

40.5-4.05=36.45

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,