Item 3write a proportion to find how many points xx a student needs to score on a test worth 80 points to get a test score of 80%.$$one proportion is points80 points=80

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,

answer: do we write it

step-by-step explanation: