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OpenStudy (anonymous):
It takes Brian 15 hours longer to build a model car than it takes John. If they work together, they can build the model car in 4 hours. Using complete sentences, explain each step in figuring out how to determine the time it would take Brian to build the car on his own. @SolomonZelman can you plz help me out?!
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OpenStudy (anonymous):
@Hero @texaschic101
OpenStudy (anonymous):
@satellite73
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