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140 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 9 people? |
54 people can do a job in 5 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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| 140 14 30 56 56 30 ( 186 ) 30 15 20 10 24 ( 99 ) [[ 285 ]] | ||
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