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857 WorkRate |
Name : _________________ |
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If Ann does a job in 8 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 857 4.4 2.8 2.7 4.7 1.6 ( 16.2 ) 1.2 1.9 3.2 3.9 1.4 ( 11.6 ) [[ 27.8 ]] | ||
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