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Mathematics 13 Online
OpenStudy (anonymous):

Solve the compound inequality 60 < 20u < 120.

OpenStudy (anonymous):

divide by 20

jimthompson5910 (jim_thompson5910):

Divide each piece by 20 to isolate 'u' 60 < 20u < 120 60/20 < 20u/20 < 120/20 3 < u < 6

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