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January 31, 2015

January 31, 2015

Posted by **Kevin** on Friday, June 1, 2012 at 3:57pm.

- Algebra -
**MathMate**, Friday, June 1, 2012 at 4:15pmSame as the bike problem.

If he answered correctly all part 2 (4 points each) questions, then he would have got 4*33=132 points. Since he got 168 points, he got 168-132=36 points left over. Since part 1 questions has 2 points more each, he must have got 36/2=18 part 1 questions, and 33-18=15 part 2 questions.

You can also do this using system of equations if you have a pen and paper.

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