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December 20, 2014

December 20, 2014

Posted by **Lucy** on Monday, August 25, 2008 at 12:16pm.

2) Together, two printers can print 7500 lines if the first printer prints for 2 minutes and the second prints for 1 minute. If the first printer prints for 1 minute and the second prints for 2 minutes, they can print 9000 lines together. Find the number of lines per minute that each printer prints.

- Pre-calculus -
**drwls**, Monday, August 25, 2008 at 2:09pm1) Slope = (y2 -y1)/(x2 - x1) = -8/(3a)

The answer will depend upon a.

2. Lines printed = S1*t1 + S2*t2

S1 is the speed of printer 1 and t1 is the printing time of printer 1, etc.

7500 = 2 S1 + S2

9000 = S1 + 2 S2

Continue the solution

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