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351 WorkRate1 |
Name : _________________ |
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21 people can do a job in 8 days. How many days would it take if there were only 3 people? |
35 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 351 56 15 42 42 22 ( 177 ) 40 55 24 35 12 ( 166 ) [[ 343 ]] | ||
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