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980 WorkRate1 |
Name : _________________ |
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36 people can do a job in 9 days. How many days would it take if there were only 9 people? |
18 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 980 36 72 27 30 63 ( 228 ) 12 30 42 35 40 ( 159 ) [[ 387 ]] | ||
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