The MARS Printing Press has two photocopying machines. Printer A can print 1 box of bookpaper in three
hours while Printer B can print 1 box of bookpaper in 2 hours.
a. How many boxes of bookpaper are printed by Printer A in 12 hours? In 24 hours? in 45 hours?
b. How many boxes of bookpaper can Printer B print in 10 hours? In 3x + 20 hours? in 120x + 160 hours?
hours while Printer B can print 1 box of bookpaper in 2 hours.
a. How many boxes of bookpaper are printed by Printer A in 12 hours? In 24 hours? in 45 hours?
b. How many boxes of bookpaper can Printer B print in 10 hours? In 3x + 20 hours? in 120x + 160 hours?
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Answer:
A.4 boxes of bookpaper in 12 hours,8 boxes of bookpaper in 24 hours and 15 boxes of bookpaper in 45 hours.
B.5 boxes of bookpaper in 10 hours,-3 1/3 boxes of bookpaper in -20/3 hours and 2/3 box of bookpaper in -1 1/3 hours