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

There are 50 questions to answer in a triva contest. Each player starts with 100 points. He or she earns ten points for each correct answer but will lose four points for each incorrect answer. Each player must answer all 50 questions. What is the fewest number of questions a contestant must answer correctly to have a score over 350?

Is the answer 22????

- Algebra word problem -
**Steve**, Wednesday, October 5, 2011 at 12:00pm
score = 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

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