SOLUTION: v=9t+300 v=7t+400

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Question 210911: v=9t+300
v=7t+400

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
v=9t+300
v=7t+400
9t+300=7t+400
9t-7t=400-300
2t=100
t=100/2
t=50 ans.

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