SOLUTION: This year, a teacher graded 82 more final exams than last year. If the teacher graded 577 final exams this year, how many final exams did the teacher grade last year?

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Question 1202394: This year, a teacher graded 82 more final exams than last year. If the teacher graded 577 final exams this year, how many final exams did the teacher grade last year?
Found 2 solutions by mananth, ikleyn:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
This year, a teacher graded 82 more final exams than last year. If the teacher graded 577 final exams this year, how many final exams did the teacher grade last year?

Let final exams graded last year be x
This year, a teacher graded 82 more final exams than last year =577
x+82 =577
x= 577-82
you complete



Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.

If one quantity is 82 units more than the other quantity,
then the other quantity is 82 units less then the first quantity.

It is the most valuable knowledge/lesson, which you may extract and learn from this problem.