The final score in a math contest is made up of 50% test scores, 25% oral participation scores, and 25% project scores. ella earned an average of 85 on her tests, 95 on oral participation, and 75 on projects. what was her final score in the contest? enter your answer in the box.

1/800 is the right answer

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b