Question 649276
Melinda’s father pays her 10 cents for each right answer on her algebra homework, and he collects 7 cents from her for each wrong answer. After her 34 problems were corrected, they did not owe each other anything. 
a. If c stands for the number of right answers, write an expression for the money value of wrong answers.::: 7c cents
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b. Write an expression for the money Melinda collects for her right answers. 
::: 10r cents
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c. Write an expression for the money Melinda owes her father for her wrong answers.
::: 7c
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d. Write an equation for this problem using your answers from a, b, and c. 
Father owes Melinda 10r-7c
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Cheers,
Stan H.
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