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969 WorkRate |
Name : _________________ |
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If Ann does a job in 9 days, and Bob does it in 8 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 4 days, and Bob does it in 9 days, how long do they take together? (Nearest to the 10th...) |
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| 969 4.2 1.7 2.1 2 3.9 ( 13.9 ) 2.8 2 2.7 3.4 3.4 ( 14.3 ) [[ 28.2 ]] | ||
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