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779 WorkRate1 |
Name : _________________ |
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21 people can do a job in 8 days. How many days would it take if there were only 7 people? |
42 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 779 24 28 77 16 60 ( 205 ) 36 18 60 30 24 ( 168 ) [[ 373 ]] | ||
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