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927 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 4 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 927 2.2 3.3 3.7 1 1.6 ( 11.8 ) 2 2.2 4 1.6 2 ( 11.8 ) [[ 23.6 ]] | ||
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