How to calculate grade percentage?

Student Lounge College Life
1

<p>This is the grade weight in my class
Homework 25%
Chapter test 55%
Semester exam 20%</p>

<p>I blow up my first test and it bring my grade down to 57.1%. Suppose I got 80% on the next test. What will my grade be and how I calculate it?</p>

2

<p><a href=“LMGTFY - Let Me Google That For You”>LMGTFY - Let Me Google That For You;

<p>There ya go.</p>