Homework Help: 8th grade math

Posted by Anonymous on Tuesday, April 3, 2012 at 6:23pm.

A quiz had only 3-point questions and four-point questions. The best possible score is 100, and there are 29 questions. How many 4-point questions are there?

8th grade math - Reiny, Tuesday, April 3, 2012 at 6:51pm
number of 4 point questions --- x
number of 3 point questions --- 29-x

solve for x

4x + 3(29-x) = 100

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