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400 WorkRate1 |
Name : _________________ |
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28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
24 people can do a job in 12 days. How many days would it take if there were only 6 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 400 84 42 40 35 18 ( 219 ) 48 72 12 66 63 ( 261 ) [[ 480 ]] | ||
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