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990 WorkRate1 |
Name : _________________ |
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45 people can do a job in 10 days. How many days would it take if there were only 9 people? |
10 people can do a job in 6 days. How many days would it take if there were only 5 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 990 50 66 20 32 16 ( 184 ) 12 45 56 60 66 ( 239 ) [[ 423 ]] | ||
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