Monday

December 22, 2014

December 22, 2014

Posted by **Linda** on Wednesday, October 5, 2011 at 11:37am.

Is the answer 22????

- Algebra word problem -
**Steve**, Wednesday, October 5, 2011 at 12:00pmscore = 10*right - 4*wrong

s = 100 + 10r - 4w

r+w = 50

so, to get at least 350,

100 + 10r - 4(50-r) > 350

100 + 10r - 200 + 4r > 350

14r > 450

r > 32.14

so, at least 33 correct answers

100 + 32*10 - 18*4 = 348

100 + 33*10 - 17*4 = 362

**Answer this Question**

**Related Questions**

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

ALGEBRA - In a math contest each team is asked 50 questions. The team earns 15 ...

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 - Please solve this word problem, It will take at least 360 points for Kiko...

Math - Kosuke wrote a mathematics contest consistingof 25 multiple choice ...

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 - On a trivia game show, a contestent will answer 21 questions. A ...

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