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812 WorkRate |
Name : _________________ |
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If Ann does a job in 8 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
If Ann does a job in 7 days, and Bob does it in 4 days, how long do they take together? (Nearest to the 10th...) |
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| 812 2.7 3.2 1.6 3.8 2.1 ( 13.4 ) 2.5 2 3.7 3.9 2.5 ( 14.6 ) [[ 28 ]] | ||
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