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870 WorkRate1 |
Name : _________________ |
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56 people can do a job in 12 days. How many days would it take if there were only 8 people? |
45 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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| 870 84 24 20 48 42 ( 218 ) 25 56 42 42 70 ( 235 ) [[ 453 ]] | ||
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