Friday

April 18, 2014

April 18, 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**

math - algebra in 8th your teacher is giving you a test worth 100 points ...

MATH - Wendy answered 85% of the questions on her history test correctly. There ...

Math - Wendy answered 85% of the questions other history test correctly . There ...

math - Your teacher is giving you a test worth 100 points containing 40 ...

math-Probablity - A student is writing a multiple choice test consisting of 40 ...

MATH - AMANDA TEST SCORE ON SIX TESTS WAS 94. FIVE OF THE SIX TEST SCORES WERE ...

Math - There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class ...

Science - A science teacher was curious to see whether offering money for good ...

math - Sally answered 90% of the math test questions and 80% of the history test...

Algebra - On a math test, k students in the class averaged 80%. The remaining ...