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830 WorkRate1 |
Name : _________________ |
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21 people can do a job in 10 days. How many days would it take if there were only 7 people? |
24 people can do a job in 5 days. How many days would it take if there were only 4 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 830 30 28 36 84 36 ( 214 ) 30 30 55 30 33 ( 178 ) [[ 392 ]] | ||
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