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813 WorkRate1 |
Name : _________________ |
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49 people can do a job in 10 days. How many days would it take if there were only 7 people? |
42 people can do a job in 12 days. How many days would it take if there were only 6 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 813 70 16 10 14 70 ( 180 ) 84 32 55 44 56 ( 271 ) [[ 451 ]] | ||
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