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410 WorkRate1 |
Name : _________________ |
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20 people can do a job in 7 days. How many days would it take if there were only 4 people? |
12 people can do a job in 5 days. How many days would it take if there were only 4 people? |
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| 410 35 72 40 36 18 ( 201 ) 15 36 84 72 36 ( 243 ) [[ 444 ]] | ||
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