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Mathematics, 31.12.2019 12:31 sonyav732
To encourage john to work harder in math his mother said she would pay him 10
cents for each right answer and subtract 5 cents for each wrong answer. if he earned
20 cents after doing 32 problems, how many problems did john get right? how
many did he get wrong? how many would he have to get right to earn more than a
dollar?
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To encourage john to work harder in math his mother said she would pay him 10
cents for each r...
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