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146 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 7 days, how long do they take together? (Nearest to the 10th...) |
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| 146 4.7 4.1 3.9 1.2 4.7 ( 18.6 ) 2.1 2.5 4 2.1 2 ( 12.7 ) [[ 31.3 ]] | ||
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