Question 426966
i had an 82 in a class, & i just took a test my grade is now a 77
 what did i make on the test for my grade to go down to a 77?
:
Let x = the test grade
{{{(x+82)/2}}} = 77
x + 82 = 2(77)
x = 154 - 82
x = 72, this assumes that this grade counts the same as your average grade.