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718 WorkRate1 |
Name : _________________ |
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18 people can do a job in 9 days. How many days would it take if there were only 6 people? |
49 people can do a job in 7 days. How many days would it take if there were only 7 people? |
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| 718 27 77 35 40 33 ( 212 ) 49 24 18 48 56 ( 195 ) [[ 407 ]] | ||
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