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231 WorkRate |
Name : _________________ |
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If Ann does a job in 2 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 10 days, and Bob does it in 10 days, how long do they take together? (Nearest to the 10th...) |
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| 231 1.6 3 2.8 1 1.6 ( 10 ) 5 2.2 4.2 1.6 2.9 ( 15.9 ) [[ 25.9 ]] | ||
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