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920 WorkRate1 |
Name : _________________ |
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40 people can do a job in 8 days. How many days would it take if there were only 8 people? |
18 people can do a job in 8 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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| 920 40 30 32 44 24 ( 170 ) 16 35 35 30 54 ( 170 ) [[ 340 ]] | ||
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