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997 WorkRate |
Name : _________________ |
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If Ann does a job in 10 days, and Bob does it in 3 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 9 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 997 2.3 4.5 2.1 4.2 3.5 ( 16.6 ) 2.8 1.2 2.1 2.8 3.1 ( 12 ) [[ 28.6 ]] | ||
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