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412 WorkRate |
Name : _________________ |
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If Ann does a job in 4 days, and Bob does it in 5 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 412 2.2 2.3 3.2 1.2 4.7 ( 13.6 ) 1.7 4.1 3.3 3.1 4.4 ( 16.6 ) [[ 30.2 ]] | ||
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