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880 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 8 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 880 4.7 1.9 2.9 1.6 4.2 ( 15.3 ) 1.6 2 1.9 3.7 5 ( 14.2 ) [[ 29.5 ]] | ||
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