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772 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? |
35 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 772 70 27 54 42 25 ( 218 ) 40 22 36 20 12 ( 130 ) [[ 348 ]] | ||
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