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238 WorkRate1 |
Name : _________________ |
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4 people can do a job in 7 days. How many days would it take if there were only 2 people? |
36 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 238 14 21 49 56 50 ( 190 ) 54 24 32 33 24 ( 167 ) [[ 357 ]] | ||
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