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OpenStudy (prince1342):
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 80 miles per hour. The westbound train travels at 90 miles per hour. How long will it take for the two trains to be 442 miles apart? Do not do any rounding.
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OpenStudy (sshayer):
80t +90 t=442 find t
OpenStudy (prince1342):
35450?
OpenStudy (rcp031):
|dw:1477326027812:dw|
OpenStudy (prince1342):
im lost
OpenStudy (rcp031):
\[To be separated by same distance they must travel for equal time hence T=\frac{ 442 }{ 80+90 } \]
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OpenStudy (prince1342):
2.6
OpenStudy (rcp031):
Yes, 2.6 hours
OpenStudy (prince1342):
can you help me with 2 more please?
OpenStudy (sshayer):
|dw:1477326661807:dw|
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