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720 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 720 3.7 4.4 2.2 3.6 3.6 ( 17.5 ) 5 3.6 2.5 2.9 2.9 ( 16.9 ) [[ 34.4 ]] | ||
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