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Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.
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y=2xβ1 5xβ4y=1 is (1,1)(1,1) a solution of the system?
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Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours
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