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navik [9.2K]
3 years ago
6

Printer A can print 30 pages per minute. Printer B can print 40 pages per minute. Printer B begins printing 3 minutes after Prin

ter A begins printing. Both printers stop printing 10 minutes after Printer A started. Together, how many pages did the two printers print?
Mathematics
1 answer:
anzhelika [568]3 years ago
8 0

Printer A prints for 10 minutes, so prints

... (30 pages/minute)×(10 minutes) = 300 pages


Printer B prints for 7 minutes, so prints

... (40 pages/minute)×(7 minutes) = 280 pages


At the end of 10 minutes, the two printers will have printed

... 300 pages + 280 pages = 580 pages

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Step-by-step explanation:

−4x+5−13x+39=180

Step 1: Simplify both sides of the equation.

−4x+5−13x+39=180

−4x+5+−13x+39=180

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