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286 WorkRate1 |
Name : _________________ |
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6 people can do a job in 9 days. How many days would it take if there were only 2 people? |
36 people can do a job in 10 days. How many days would it take if there were only 9 people? |
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| 286 27 77 35 22 54 ( 215 ) 40 42 10 44 56 ( 192 ) [[ 407 ]] | ||
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