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638 WorkRate1 |
Name : _________________ |
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30 people can do a job in 10 days. How many days would it take if there were only 6 people? |
4 people can do a job in 6 days. How many days would it take if there were only 2 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 638 50 24 18 66 60 ( 218 ) 12 30 30 10 30 ( 112 ) [[ 330 ]] | ||
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