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Algebra
Question

A printer can complete a large job in \( 8 hr \) u...

A printer can complete a large job in \( 8 hr \) using a new machine. Using an older machine requires \( 24 hr \) to do the same job. How long would it take to complete the job using both machines? 

Answer

\(\frac 18 t+ \frac 1{24}t= 1\\\frac t6= 1\\t= 6hr\)

Solution
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