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353 WorkRate1 |
Name : _________________ |
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21 people can do a job in 5 days. How many days would it take if there were only 3 people? |
35 people can do a job in 7 days. How many days would it take if there were only 7 people? |
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| 353 35 10 36 30 32 ( 143 ) 35 12 21 77 24 ( 169 ) [[ 312 ]] | ||
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