139 WorkRate1 |
Name : _________________ |
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45 people can do a job in 7 days. How many days would it take if there were only 9 people? |
15 people can do a job in 8 days. How many days would it take if there were only 5 people? |
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139 35 35 20 32 20 ( 142 ) 24 54 49 60 30 ( 217 ) [[ 359 ]] | ||
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