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379 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 3 people? |
12 people can do a job in 12 days. How many days would it take if there were only 3 people? |
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| 379 42 70 24 55 30 ( 221 ) 48 36 22 30 42 ( 178 ) [[ 399 ]] | ||
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