Friday

August 1, 2014

August 1, 2014

Posted by **Mary** on Saturday, November 3, 2012 at 10:45pm.

- Math -
**Reiny**, Saturday, November 3, 2012 at 10:50pmcorrect --- x

incorrect --- 40-x

6x - 3(40-x) = 105

6x - 120 + 3x = 105

9x = 225

x = 25

25 correct , 15 wrong

**Related Questions**

Statistics - A 50-question true-false exam is given. Each correct answer is ...

Math - In a mathematics quiz, 20 problems are given, 5 points are given for each...

math help - I need help solving this math problem, please: Problem: Angela's ...

Math - I need help solving this math problem, please: Problem: Angela's math ...

math - A math contest consists of ten problems.Three points are given for each ...

math - in a math contest of 20 problems. 5 hpoints given each correct answer. 25...

Algebra word problem - There are 50 questions to answer in a triva contest. Each...

algebra - There are 50 questions to answer in a triva contest. Each player ...

elem alg - On a certain test, the student gets 3 points for each correct answer ...

Math - In a multiple-choice test, each question has five options. Students will ...