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555 WorkRate1 |
Name : _________________ |
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15 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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| 555 18 24 24 12 66 ( 144 ) 42 28 35 40 20 ( 165 ) [[ 309 ]] | ||
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