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103 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 9 people? |
9 people can do a job in 11 days. How many days would it take if there were only 3 people? |
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| 103 14 30 36 44 55 ( 179 ) 33 18 77 42 60 ( 230 ) [[ 409 ]] | ||
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