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498 WorkRate1 |
Name : _________________ |
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24 people can do a job in 12 days. How many days would it take if there were only 4 people? |
32 people can do a job in 12 days. How many days would it take if there were only 8 people? |
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+( ) |
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( )+ |
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| 498 72 70 50 55 21 ( 268 ) 48 35 22 48 70 ( 223 ) [[ 491 ]] | ||
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