SOLUTION: please help me solve this: Jim wants to get at least a 90% of math competition problems correct. however he has only answered 20 out of 50 correctly so far this year. what is the

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Question 1151956: please help me solve this: Jim wants to get at least a 90% of math competition problems correct. however he has only answered 20 out of 50 correctly so far this year. what is the least number of problems he has to solve in the future in order to reach 90%?
Answer by josgarithmetic(39631) About Me  (Show Source):
You can put this solution on YOUR website!
x more problems to get correct
%2820%2Bx%29%2F50%3E=0.9
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