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512 WorkRate |
Name : _________________ |
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If Ann does a job in 5 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 2 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
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| 512 1.4 3.9 1.9 3.7 2.7 ( 13.6 ) 1.5 3.1 1 2.7 1.7 ( 10 ) [[ 23.6 ]] | ||
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