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Mathematics 7 Online
OpenStudy (anonymous):

If D varies directly with t and D is 105 when t is 3, find D when t is 8. 35 280 840

OpenStudy (agent47):

D=kt 105=k*3 solve for k, then solve for D

OpenStudy (anonymous):

agent forty7 murder this

OpenStudy (paxpolaris):

\[\Large {105 \over3} = \frac D8\]

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