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223 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 9 days, how long do they take together? (Nearest to the 10th...) |
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| 223 1.6 2.7 1.6 3.9 4.4 ( 14.2 ) 4.7 4.2 4.2 1.6 2.8 ( 17.5 ) [[ 31.7 ]] | ||
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