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444 WorkRate1 |
Name : _________________ |
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16 people can do a job in 10 days. How many days would it take if there were only 4 people? |
21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 444 40 30 48 20 36 ( 174 ) 18 30 18 20 30 ( 116 ) [[ 290 ]] | ||
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