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753 WorkRate1 |
Name : _________________ |
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21 people can do a job in 10 days. How many days would it take if there were only 7 people? |
21 people can do a job in 10 days. How many days would it take if there were only 3 people? |
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| 753 30 36 16 20 30 ( 132 ) 70 33 44 18 36 ( 201 ) [[ 333 ]] | ||
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