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Mathematics 8 Online
OpenStudy (anonymous):

Two cars leave towns 850 kilometers apart at the same time and travel toward each other. One car's rate is 18 kilometers per hour more than the other's. If they meet in 5 hours, what is the rate of the faster car?

OpenStudy (sleepyjess):

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OpenStudy (dan815):

if they meet in 5 hours then together they have travelled a total of 850 km

OpenStudy (dan815):

therefore if speed of car A is V then speed of car B is V+18 distance covered in 5 hours speed*time=distance (V+V+18)*5=850

OpenStudy (dan815):

solve for V and V+18 is the rate of the faster car

OpenStudy (anonymous):

how do i solve for V

OpenStudy (dan815):

break the equation down

OpenStudy (dan815):

(V+V+18)*5=850

OpenStudy (dan815):

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