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303 WorkRate1 |
Name : _________________ |
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9 people can do a job in 6 days. How many days would it take if there were only 3 people? |
42 people can do a job in 9 days. How many days would it take if there were only 7 people? |
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| 303 18 28 42 56 36 ( 180 ) 54 18 48 36 21 ( 177 ) [[ 357 ]] | ||
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