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Mathematics, 01.09.2019 00:30 crippyjay
5) joy and cullen put some money into their money boxes every week. the amount of money (y), in dollars, in their money boxes after a certain amount of time (x), in weeks, is shown by the equations below: joy: y = 30x + 20 cullen: y = 20x + 90
a) after how many weeks will joy and cullen have the same amount of money in their money boxes?
b) what is that amount?
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5) joy and cullen put some money into their money boxes every week. the amount of money (y), in doll...
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