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623 WorkRate1 |
Name : _________________ |
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15 people can do a job in 9 days. How many days would it take if there were only 5 people? |
42 people can do a job in 7 days. How many days would it take if there were only 6 people? |
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| 623 27 44 20 14 27 ( 132 ) 49 36 18 60 24 ( 187 ) [[ 319 ]] | ||
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