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426 WorkRate1 |
Name : _________________ |
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8 people can do a job in 12 days. How many days would it take if there were only 4 people? |
40 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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| 426 24 20 60 42 56 ( 202 ) 35 40 30 36 20 ( 161 ) [[ 363 ]] | ||
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