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610 WorkRate1 |
Name : _________________ |
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10 people can do a job in 6 days. How many days would it take if there were only 5 people? |
63 people can do a job in 6 days. How many days would it take if there were only 9 people? |
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| 610 12 24 24 12 54 ( 126 ) 42 18 35 30 20 ( 145 ) [[ 271 ]] | ||
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