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770 WorkRate |
Name : _________________ |
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If Ann does a job in 7 days, and Bob does it in 6 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 4 days, and Bob does it in 2 days, how long do they take together? (Nearest to the 10th...) |
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| 770 3.2 2.1 5 2.9 1.4 ( 14.6 ) 1.3 1.5 1.5 2.4 3.6 ( 10.3 ) [[ 24.9 ]] | ||
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