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583 WorkRate1 |
Name : _________________ |
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20 people can do a job in 7 days. How many days would it take if there were only 5 people? |
12 people can do a job in 7 days. How many days would it take if there were only 3 people? |
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| 583 28 18 40 36 49 ( 171 ) 28 49 12 48 44 ( 181 ) [[ 352 ]] | ||
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