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Answer :
Final answer:
6 old printers would produce a batch of magazines in 5 minutes, while 2 new printers would take 8 minutes. Thus, 6 old printers are faster by 3 minutes.
Explanation:
To determine which option would produce a batch of magazines in less time, we need to first understand the rate at which each type of printer produces magazines. Given that it takes 30 minutes for 5 old printers to produce a batch, we can find the old printers' rate by dividing the total time by the number of printers: 30 minutes / 5 old printers = 6 minutes per printer for one batch. If there were 6 old printers, the time for one batch would be 30 minutes / 6 = 5 minutes.
Similarly, for new printers, it takes 16 minutes for 4 new printers to produce a batch. Therefore, each new printer takes 16 minutes / 4 new printers = 4 minutes per printer for one batch. If there were 2 new printers, the time for one batch would be 16 minutes / 2 = 8 minutes.
Thus, 6 old printers would produce a batch in 5 minutes, while 2 new printers would take 8 minutes. Therefore, 6 old printers are faster by 3 minutes.
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Rewritten by : Barada
Answer:
Step-by-step explanation: a) 6 old printers take 30*(5/6)=25 mins
2 new printers take 16*2=32 mins
the answer would be the 6 old printers
b) 32-25=7 mins
