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OpenStudy (anonymous):
A cable installer can make 20 installations in 8 hours. How long will the installer spend making 30 installations?
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OpenStudy (anonymous):
@beomsu.c.59131
OpenStudy (ccswims):
|dw:1415465435767:dw| So this means he can make 5 every 2 hours. And 10 for 4 hours, and so forth. So it will take him 12 hours to make 30 installations
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