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447 WorkRate |
Name : _________________ |
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If Ann does a job in 4 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 3 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 447 2.7 3.6 2.1 3.2 3.7 ( 15.3 ) 2.2 2.2 2.2 3.4 4.7 ( 14.7 ) [[ 30 ]] | ||
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