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August 31, 2015

Homework Help: Precalculus with applications

Posted by Mary on Wednesday, November 19, 2008 at 4:09am.

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.

Equation 1: 2*F+S=7500
Equation 2: F+2*S=9000

Iam not sure how to solve. Please help. Thank you

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