Bobby-joe takes a 25-question test for which he receives 4 points for each correct answer and loses 1 point for each wrong answer. if bobby-joe answers all the questions and gets a passing grade of 65%, how many questions did he get right?

Let x be the number of questions he gets right. Let y be the number of questions he gets wrong.

Then:

x + y = 25

4x - 1y = 65

Adding these two equations gives:

5x = 90

y = 25 - 18 = 7 wrong answers

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answer: h

step-by-step explanation:

answer4 to the second power is 16

and 4 to the third power is 64,