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968 WorkRate1 |
Name : _________________ |
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36 people can do a job in 7 days. How many days would it take if there were only 9 people? |
28 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 968 28 20 14 60 49 ( 171 ) 32 56 14 48 70 ( 220 ) [[ 391 ]] | ||
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