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515 WorkRate1 |
Name : _________________ |
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15 people can do a job in 12 days. How many days would it take if there were only 5 people? |
54 people can do a job in 8 days. How many days would it take if there were only 9 people? |
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| 515 36 18 44 40 30 ( 168 ) 48 30 40 30 18 ( 166 ) [[ 334 ]] | ||
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