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975 WorkRate1 |
Name : _________________ |
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63 people can do a job in 9 days. How many days would it take if there were only 9 people? |
36 people can do a job in 7 days. How many days would it take if there were only 9 people? |
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| 975 63 16 45 50 27 ( 201 ) 28 42 14 42 63 ( 189 ) [[ 390 ]] | ||
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