Question 1045287: Dear Teacher,
Would appreciate for your advise on below question -is difficult to understand, pls help to show steps.......thanks hendor
QA)
The older model of this new printer can only print at a fixed rate of 1080 pages per hour.If the new printer is allowed to print at maximum speed, and both the old and new printer are turned on at the same time, how long would it take for both printers, working together , to print a stack of 2752 pages?
QB)
The new printer's speed is now set to match that of the old printer to save power and another printer of the same printing speed is bought .If all three are turned on this time, how many pages can they print in one and a half hours?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616)   (Show Source):
You can put this solution on YOUR website! Information for the description is missing.
QA:
Which Printer RATE TIME PAGES
OLD 1080 t
NEW R t
Total 2752
Basic work rates rule is like r*T=W for rate, TIME, and amount of work here in unit of "pages".
Continuing to fill the table,
Which Printer RATE TIME PAGES
OLD 1080 t 1080t
NEW R t Rt
Total 2752
Showing the reasoning for equation  .
Two unknown variables and one equation.
How long of time will this job be?
Answer by ikleyn(52776)  (Show Source):
You can put this solution on YOUR website! .
These questions QA and QB are playing words without any sense.
The value of this problem as a math problem is zero.
The content of this text as a math problem is zero.
There is no sense to discuss it.
Diagnosis: TRASH.
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