- A10 hours
- B5 hours
- C7 1/2 hours
- D8 hours
Step-by-Step Solution
One printer: posters an hour. 6 printers: 120 an hour. hours.
Answer: A) 10 hours
If 9 printers print 900 posters in 5 hours, how long would 6 printers take for 1,200 posters?
Class 8Workers, Days and HoursDirect and Inverse Proportions
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