When Jose took the test over, he increased his score by 15 percentage points. Jose raised his score to an 83% on the test.

Which of the following equations represents the word problem if "x" represents Jose's score on the first test?

x + 15 = 83
x = 15 + 83
x - 15 = 83

Question

When Jose took the test over, he increased his score by 15 percentage points. Jose raised his score to an 83% on the test.

Which of the following equations represents the word problem if "x" represents Jose's score on the first test?

x + 15 = 83
x = 15 + 83
x - 15 = 83

mathstudent55 · Answer

An increase of 15 percentage points is 15 percentage points added to the previous score.
Since the previous score was x you need the sum of x and 15.