Mathematics Word Problems Calculating number of correct answers
A math contest consists of ten problems.Three points are given for each correct answer. One point is deducted for each incorrect answer. Andy answers all the problems and scores 18 points. How many correct answers does he have?
How do you that rbowh? I am really bad at this.(step by step please)
answered by
matt
10 years ago
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What part of the explanation don't you understand?
answered by
Ms. Sue
10 years ago
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How to solve for x.(i am terrible at this)
answered by
matt
10 years ago
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what did you get when you added the two equations?
answered by
rbowh
10 years ago
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That is what I don't get.Please can you show me how to do it.
answered by
matt
10 years ago
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by the way, x represents number of correct answers - I left that out initially
answered by
rbowh
10 years ago
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Step by step is what I meant.
answered by
matt
10 years ago
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Thank you very kind sir/ma'am you were a big help.
answered by
matt
10 years ago
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You're welcome Matt.
answered by
rbowh
10 years ago
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