Homework Help: algebra

Posted by Anonymous on Tuesday, October 4, 2011 at 4:31pm.

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?

algebra - bobpursley, Tuesday, October 4, 2011 at 4:50pm
score<10*right-4(50-right)
350<right(10+4) -50
300<right(14)
solve for right
right>300/14
right>21
right=22
check all that.

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