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719 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 6 people? |
49 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 719 21 63 25 40 27 ( 176 ) 42 24 40 32 49 ( 187 ) [[ 363 ]] | ||
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