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547 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? |
63 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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| 547 27 36 14 18 36 ( 131 ) 63 40 50 15 36 ( 204 ) [[ 335 ]] | ||
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