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989 WorkRate1 |
Name : _________________ |
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36 people can do a job in 12 days. How many days would it take if there were only 9 people? |
28 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 989 48 12 36 66 84 ( 246 ) 48 84 36 35 40 ( 243 ) [[ 489 ]] | ||
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