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760 WorkRate1 |
Name : _________________ |
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21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
18 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 760 18 28 77 18 60 ( 201 ) 54 15 25 24 28 ( 146 ) [[ 347 ]] | ||
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