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810 WorkRate1 |
Name : _________________ |
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28 people can do a job in 6 days. How many days would it take if there were only 7 people? |
45 people can do a job in 10 days. How many days would it take if there were only 9 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 810 24 36 18 24 70 ( 172 ) 50 25 72 55 18 ( 220 ) [[ 392 ]] | ||
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