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988 WorkRate1 |
Name : _________________ |
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45 people can do a job in 7 days. How many days would it take if there were only 9 people? |
10 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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| 988 35 40 21 30 14 ( 140 ) 18 28 60 25 40 ( 171 ) [[ 311 ]] | ||
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